18870297512

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{701}}^1\times {\mathrm{27809}}^1$

素因数の和:28538

約数の個数: 48

約数和(自身を含む): 38947626900

約数和(自身を除く): 20077329388

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 701, 968, 1402, 2804, 5608, 7711, 15422, 27809, 30844, 55618, 61688, 84821, 111236, 169642, 222472, 305899, 339284, 611798, 678568, 1223596, 2447192, 3364889, 6729778, 13459556, 19494109, 26919112, 38988218, 77976436, 155952872, 214435199, 428870398, 857740796, 1715481592, 2358787189, 4717574378, 9435148756, 18870297512]

約数ペア:

[(1, 18870297512), (2, 9435148756), (4, 4717574378), (8, 2358787189), (11, 1715481592), (22, 857740796), (44, 428870398), (88, 214435199), (121, 155952872), (242, 77976436), (484, 38988218), (701, 26919112), (968, 19494109), (1402, 13459556), (2804, 6729778), (5608, 3364889), (7711, 2447192), (15422, 1223596), (27809, 678568), (30844, 611798), (55618, 339284), (61688, 305899), (84821, 222472), (111236, 169642)]