18918372

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{571}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 48432384

約数和(自身を除く): 29514012

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 251, 502, 571, 753, 1004, 1142, 1506, 1713, 2284, 2761, 3012, 3426, 5522, 6281, 6852, 8283, 11044, 12562, 16566, 18843, 25124, 33132, 37686, 75372, 143321, 286642, 429963, 573284, 859926, 1576531, 1719852, 3153062, 4729593, 6306124, 9459186, 18918372]

約数ペア:

[(1, 18918372), (2, 9459186), (3, 6306124), (4, 4729593), (6, 3153062), (11, 1719852), (12, 1576531), (22, 859926), (33, 573284), (44, 429963), (66, 286642), (132, 143321), (251, 75372), (502, 37686), (571, 33132), (753, 25124), (1004, 18843), (1142, 16566), (1506, 12562), (1713, 11044), (2284, 8283), (2761, 6852), (3012, 6281), (3426, 5522)]