18349280

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1571}}^1$

素因数の和:1659

約数の個数: 48

約数和(自身を含む): 43971984

約数和(自身を除く): 25622704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 292, 365, 584, 730, 1168, 1460, 1571, 2336, 2920, 3142, 5840, 6284, 7855, 11680, 12568, 15710, 25136, 31420, 50272, 62840, 114683, 125680, 229366, 251360, 458732, 573415, 917464, 1146830, 1834928, 2293660, 3669856, 4587320, 9174640, 18349280]

約数ペア:

[(1, 18349280), (2, 9174640), (4, 4587320), (5, 3669856), (8, 2293660), (10, 1834928), (16, 1146830), (20, 917464), (32, 573415), (40, 458732), (73, 251360), (80, 229366), (146, 125680), (160, 114683), (292, 62840), (365, 50272), (584, 31420), (730, 25136), (1168, 15710), (1460, 12568), (1571, 11680), (2336, 7855), (2920, 6284), (3142, 5840)]