18654664

素因数分解:

$2^3\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1861}}^1$

素因数の和:2053

約数の個数: 32

約数和(自身を含む): 40219200

約数和(自身を除く): 21564536

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 179, 358, 716, 1253, 1432, 1861, 2506, 3722, 5012, 7444, 10024, 13027, 14888, 26054, 52108, 104216, 333119, 666238, 1332476, 2331833, 2664952, 4663666, 9327332, 18654664]

約数ペア:

[(1, 18654664), (2, 9327332), (4, 4663666), (7, 2664952), (8, 2331833), (14, 1332476), (28, 666238), (56, 333119), (179, 104216), (358, 52108), (716, 26054), (1253, 14888), (1432, 13027), (1861, 10024), (2506, 7444), (3722, 5012)]