19914180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 66316992

約数和(自身を除く): 46402812

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 121, 130, 132, 143, 156, 165, 195, 211, 220, 242, 260, 286, 330, 363, 390, 422, 429, 484, 572, 605, 633, 660, 715, 726, 780, 844, 858, 1055, 1210, 1266, 1430, 1452, 1573, 1716, 1815, 2110, 2145, 2321, 2420, 2532, 2743, 2860, 3146, 3165, 3630, 4220, 4290, 4642, 4719, 5486, 6292, 6330, 6963, 7260, 7865, 8229, 8580, 9284, 9438, 10972, 11605, 12660, 13715, 13926, 15730, 16458, 18876, 23210, 23595, 25531, 27430, 27852, 30173, 31460, 32916, 34815, 41145, 46420, 47190, 51062, 54860, 60346, 69630, 76593, 82290, 90519, 94380, 102124, 120692, 127655, 139260, 150865, 153186, 164580, 181038, 255310, 301730, 306372, 331903, 362076, 382965, 452595, 510620, 603460, 663806, 765930, 905190, 995709, 1327612, 1531860, 1659515, 1810380, 1991418, 3319030, 3982836, 4978545, 6638060, 9957090, 19914180]

約数ペア:

[(1, 19914180), (2, 9957090), (3, 6638060), (4, 4978545), (5, 3982836), (6, 3319030), (10, 1991418), (11, 1810380), (12, 1659515), (13, 1531860), (15, 1327612), (20, 995709), (22, 905190), (26, 765930), (30, 663806), (33, 603460), (39, 510620), (44, 452595), (52, 382965), (55, 362076), (60, 331903), (65, 306372), (66, 301730), (78, 255310), (110, 181038), (121, 164580), (130, 153186), (132, 150865), (143, 139260), (156, 127655), (165, 120692), (195, 102124), (211, 94380), (220, 90519), (242, 82290), (260, 76593), (286, 69630), (330, 60346), (363, 54860), (390, 51062), (422, 47190), (429, 46420), (484, 41145), (572, 34815), (605, 32916), (633, 31460), (660, 30173), (715, 27852), (726, 27430), (780, 25531), (844, 23595), (858, 23210), (1055, 18876), (1210, 16458), (1266, 15730), (1430, 13926), (1452, 13715), (1573, 12660), (1716, 11605), (1815, 10972), (2110, 9438), (2145, 9284), (2321, 8580), (2420, 8229), (2532, 7865), (2743, 7260), (2860, 6963), (3146, 6330), (3165, 6292), (3630, 5486), (4220, 4719), (4290, 4642)]