18643846

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31177}}^1$

素因数の和:31215

約数の個数: 16

約数和(自身を含む): 31427424

約数和(自身を除く): 12783578

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 31177, 62354, 405301, 717071, 810602, 1434142, 9321923, 18643846]

約数ペア:

[(1, 18643846), (2, 9321923), (13, 1434142), (23, 810602), (26, 717071), (46, 405301), (299, 62354), (598, 31177)]