18403828

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1597}}^1$

素因数の和:1711

約数の個数: 24

約数和(自身を含む): 33468512

約数和(自身を除く): 15064684

約数列:

[1, 2, 4, 43, 67, 86, 134, 172, 268, 1597, 2881, 3194, 5762, 6388, 11524, 68671, 106999, 137342, 213998, 274684, 427996, 4600957, 9201914, 18403828]

約数ペア:

[(1, 18403828), (2, 9201914), (4, 4600957), (43, 427996), (67, 274684), (86, 213998), (134, 137342), (172, 106999), (268, 68671), (1597, 11524), (2881, 6388), (3194, 5762)]