18880684

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{401}}^1$

素因数の和:633

約数の個数: 24

約数和(自身を含む): 33768000

約数和(自身を除く): 14887316

約数列:

[1, 2, 4, 79, 149, 158, 298, 316, 401, 596, 802, 1604, 11771, 23542, 31679, 47084, 59749, 63358, 119498, 126716, 238996, 4720171, 9440342, 18880684]

約数ペア:

[(1, 18880684), (2, 9440342), (4, 4720171), (79, 238996), (149, 126716), (158, 119498), (298, 63358), (316, 59749), (401, 47084), (596, 31679), (802, 23542), (1604, 11771)]