19009120

素因数分解:

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

素因数の和:97

約数の個数: 144

約数和(自身を含む): 52572240

約数和(自身を除く): 33563120

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, 169, 185, 190, 208, 247, 260, 296, 304, 338, 370, 380, 416, 481, 494, 520, 592, 608, 676, 703, 740, 760, 845, 962, 988, 1040, 1184, 1235, 1352, 1406, 1480, 1520, 1690, 1924, 1976, 2080, 2405, 2470, 2704, 2812, 2960, 3040, 3211, 3380, 3515, 3848, 3952, 4810, 4940, 5408, 5624, 5920, 6253, 6422, 6760, 7030, 7696, 7904, 9139, 9620, 9880, 11248, 12506, 12844, 13520, 14060, 15392, 16055, 18278, 19240, 19760, 22496, 25012, 25688, 27040, 28120, 31265, 32110, 36556, 38480, 39520, 45695, 50024, 51376, 56240, 62530, 64220, 73112, 76960, 91390, 100048, 102752, 112480, 118807, 125060, 128440, 146224, 182780, 200096, 237614, 250120, 256880, 292448, 365560, 475228, 500240, 513760, 594035, 731120, 950456, 1000480, 1188070, 1462240, 1900912, 2376140, 3801824, 4752280, 9504560, 19009120]

約数ペア:

[(1, 19009120), (2, 9504560), (4, 4752280), (5, 3801824), (8, 2376140), (10, 1900912), (13, 1462240), (16, 1188070), (19, 1000480), (20, 950456), (26, 731120), (32, 594035), (37, 513760), (38, 500240), (40, 475228), (52, 365560), (65, 292448), (74, 256880), (76, 250120), (80, 237614), (95, 200096), (104, 182780), (130, 146224), (148, 128440), (152, 125060), (160, 118807), (169, 112480), (185, 102752), (190, 100048), (208, 91390), (247, 76960), (260, 73112), (296, 64220), (304, 62530), (338, 56240), (370, 51376), (380, 50024), (416, 45695), (481, 39520), (494, 38480), (520, 36556), (592, 32110), (608, 31265), (676, 28120), (703, 27040), (740, 25688), (760, 25012), (845, 22496), (962, 19760), (988, 19240), (1040, 18278), (1184, 16055), (1235, 15392), (1352, 14060), (1406, 13520), (1480, 12844), (1520, 12506), (1690, 11248), (1924, 9880), (1976, 9620), (2080, 9139), (2405, 7904), (2470, 7696), (2704, 7030), (2812, 6760), (2960, 6422), (3040, 6253), (3211, 5920), (3380, 5624), (3515, 5408), (3848, 4940), (3952, 4810)]