18401225855

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{593}}^1\times {\mathrm{1429}}^1$

素因数の和:2171

約数の個数: 32

約数和(自身を含む): 22873181760

約数和(自身を除く): 4471955905

約数列:

[1, 5, 43, 101, 215, 505, 593, 1429, 2965, 4343, 7145, 21715, 25499, 59893, 61447, 127495, 144329, 299465, 307235, 721645, 847397, 2575399, 4236985, 6206147, 12876995, 31030735, 36438071, 85587097, 182190355, 427935485, 3680245171, 18401225855]

約数ペア:

[(1, 18401225855), (5, 3680245171), (43, 427935485), (101, 182190355), (215, 85587097), (505, 36438071), (593, 31030735), (1429, 12876995), (2965, 6206147), (4343, 4236985), (7145, 2575399), (21715, 847397), (25499, 721645), (59893, 307235), (61447, 299465), (127495, 144329)]