18390870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1609}}^1$

素因数の和:1749

約数の個数: 48

約数和(自身を含む): 48222720

約数和(自身を除く): 29831850

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 127, 254, 381, 635, 762, 1143, 1270, 1609, 1905, 2286, 3218, 3810, 4827, 5715, 8045, 9654, 11430, 14481, 16090, 24135, 28962, 48270, 72405, 144810, 204343, 408686, 613029, 1021715, 1226058, 1839087, 2043430, 3065145, 3678174, 6130290, 9195435, 18390870]

約数ペア:

[(1, 18390870), (2, 9195435), (3, 6130290), (5, 3678174), (6, 3065145), (9, 2043430), (10, 1839087), (15, 1226058), (18, 1021715), (30, 613029), (45, 408686), (90, 204343), (127, 144810), (254, 72405), (381, 48270), (635, 28962), (762, 24135), (1143, 16090), (1270, 14481), (1609, 11430), (1905, 9654), (2286, 8045), (3218, 5715), (3810, 4827)]