19391580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8287}}^1$

素因数の和:8315

約数の個数: 72

約数和(自身を含む): 63353472

約数和(自身を除く): 43961892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 8287, 16574, 24861, 33148, 41435, 49722, 74583, 82870, 99444, 107731, 124305, 149166, 165740, 215462, 248610, 298332, 323193, 372915, 430924, 497220, 538655, 646386, 745830, 969579, 1077310, 1292772, 1491660, 1615965, 1939158, 2154620, 3231930, 3878316, 4847895, 6463860, 9695790, 19391580]

約数ペア:

[(1, 19391580), (2, 9695790), (3, 6463860), (4, 4847895), (5, 3878316), (6, 3231930), (9, 2154620), (10, 1939158), (12, 1615965), (13, 1491660), (15, 1292772), (18, 1077310), (20, 969579), (26, 745830), (30, 646386), (36, 538655), (39, 497220), (45, 430924), (52, 372915), (60, 323193), (65, 298332), (78, 248610), (90, 215462), (117, 165740), (130, 149166), (156, 124305), (180, 107731), (195, 99444), (234, 82870), (260, 74583), (390, 49722), (468, 41435), (585, 33148), (780, 24861), (1170, 16574), (2340, 8287)]