18867160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2791}}^1$

素因数の和:2828

約数の個数: 48

約数和(自身を含む): 45984240

約数和(自身を除く): 27117080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 2791, 3380, 5582, 6760, 11164, 13955, 22328, 27910, 36283, 55820, 72566, 111640, 145132, 181415, 290264, 362830, 471679, 725660, 943358, 1451320, 1886716, 2358395, 3773432, 4716790, 9433580, 18867160]

約数ペア:

[(1, 18867160), (2, 9433580), (4, 4716790), (5, 3773432), (8, 2358395), (10, 1886716), (13, 1451320), (20, 943358), (26, 725660), (40, 471679), (52, 362830), (65, 290264), (104, 181415), (130, 145132), (169, 111640), (260, 72566), (338, 55820), (520, 36283), (676, 27910), (845, 22328), (1352, 13955), (1690, 11164), (2791, 6760), (3380, 5582)]