20181648963

素因数分解:

$3^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{659}}^1\times {\mathrm{1151}}^1$

素因数の和:2008

約数の個数: 48

約数和(自身を含む): 31550238720

約数和(自身を除く): 11368589757

約数列:

[1, 3, 7, 21, 49, 147, 181, 543, 659, 1151, 1267, 1977, 3453, 3801, 4613, 8057, 8869, 13839, 24171, 26607, 32291, 56399, 96873, 119279, 169197, 208331, 357837, 624993, 758509, 834953, 1458317, 2275527, 2504859, 4374951, 5309563, 5844671, 10208219, 15928689, 17534013, 30624657, 37166941, 111500823, 137290129, 411870387, 961030903, 2883092709, 6727216321, 20181648963]

約数ペア:

[(1, 20181648963), (3, 6727216321), (7, 2883092709), (21, 961030903), (49, 411870387), (147, 137290129), (181, 111500823), (543, 37166941), (659, 30624657), (1151, 17534013), (1267, 15928689), (1977, 10208219), (3453, 5844671), (3801, 5309563), (4613, 4374951), (8057, 2504859), (8869, 2275527), (13839, 1458317), (24171, 834953), (26607, 758509), (32291, 624993), (56399, 357837), (96873, 208331), (119279, 169197)]