19914246560

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{13619}}^1$

素因数の和:13703

約数の個数: 192

約数和(自身を含む): 54778550400

約数和(自身を除く): 34864303840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 37, 38, 40, 52, 65, 74, 76, 80, 95, 104, 130, 148, 152, 160, 185, 190, 208, 247, 260, 296, 304, 370, 380, 416, 481, 494, 520, 592, 608, 703, 740, 760, 962, 988, 1040, 1184, 1235, 1406, 1480, 1520, 1924, 1976, 2080, 2405, 2470, 2812, 2960, 3040, 3515, 3848, 3952, 4810, 4940, 5624, 5920, 7030, 7696, 7904, 9139, 9620, 9880, 11248, 13619, 14060, 15392, 18278, 19240, 19760, 22496, 27238, 28120, 36556, 38480, 39520, 45695, 54476, 56240, 68095, 73112, 76960, 91390, 108952, 112480, 136190, 146224, 177047, 182780, 217904, 258761, 272380, 292448, 354094, 365560, 435808, 503903, 517522, 544760, 708188, 731120, 885235, 1007806, 1035044, 1089520, 1293805, 1416376, 1462240, 1770470, 2015612, 2070088, 2179040, 2519515, 2587610, 2832752, 3363893, 3540940, 4031224, 4140176, 5039030, 5175220, 5665504, 6550739, 6727786, 7081880, 8062448, 8280352, 9574157, 10078060, 10350440, 13101478, 13455572, 14163760, 16124896, 16819465, 19148314, 20156120, 20700880, 26202956, 26911144, 28327520, 32753695, 33638930, 38296628, 40312240, 41401760, 47870785, 52405912, 53822288, 65507390, 67277860, 76593256, 80624480, 95741570, 104811824, 107644576, 124464041, 131014780, 134555720, 153186512, 191483140, 209623648, 248928082, 262029560, 269111440, 306373024, 382966280, 497856164, 524059120, 538222880, 622320205, 765932560, 995712328, 1048118240, 1244640410, 1531865120, 1991424656, 2489280820, 3982849312, 4978561640, 9957123280, 19914246560]

約数ペア:

[(1, 19914246560), (2, 9957123280), (4, 4978561640), (5, 3982849312), (8, 2489280820), (10, 1991424656), (13, 1531865120), (16, 1244640410), (19, 1048118240), (20, 995712328), (26, 765932560), (32, 622320205), (37, 538222880), (38, 524059120), (40, 497856164), (52, 382966280), (65, 306373024), (74, 269111440), (76, 262029560), (80, 248928082), (95, 209623648), (104, 191483140), (130, 153186512), (148, 134555720), (152, 131014780), (160, 124464041), (185, 107644576), (190, 104811824), (208, 95741570), (247, 80624480), (260, 76593256), (296, 67277860), (304, 65507390), (370, 53822288), (380, 52405912), (416, 47870785), (481, 41401760), (494, 40312240), (520, 38296628), (592, 33638930), (608, 32753695), (703, 28327520), (740, 26911144), (760, 26202956), (962, 20700880), (988, 20156120), (1040, 19148314), (1184, 16819465), (1235, 16124896), (1406, 14163760), (1480, 13455572), (1520, 13101478), (1924, 10350440), (1976, 10078060), (2080, 9574157), (2405, 8280352), (2470, 8062448), (2812, 7081880), (2960, 6727786), (3040, 6550739), (3515, 5665504), (3848, 5175220), (3952, 5039030), (4810, 4140176), (4940, 4031224), (5624, 3540940), (5920, 3363893), (7030, 2832752), (7696, 2587610), (7904, 2519515), (9139, 2179040), (9620, 2070088), (9880, 2015612), (11248, 1770470), (13619, 1462240), (14060, 1416376), (15392, 1293805), (18278, 1089520), (19240, 1035044), (19760, 1007806), (22496, 885235), (27238, 731120), (28120, 708188), (36556, 544760), (38480, 517522), (39520, 503903), (45695, 435808), (54476, 365560), (56240, 354094), (68095, 292448), (73112, 272380), (76960, 258761), (91390, 217904), (108952, 182780), (112480, 177047), (136190, 146224)]