18680451998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{70529}}^1$

素因数の和:70772

約数の個数: 32

約数和(自身を含む): 30854900160

約数和(自身を除く): 12174448162

約数列:

[1, 2, 13, 26, 61, 122, 167, 334, 793, 1586, 2171, 4342, 10187, 20374, 70529, 132431, 141058, 264862, 916877, 1833754, 4302269, 8604538, 11778343, 23556686, 55929497, 111858994, 153118459, 306236918, 718478923, 1436957846, 9340225999, 18680451998]

約数ペア:

[(1, 18680451998), (2, 9340225999), (13, 1436957846), (26, 718478923), (61, 306236918), (122, 153118459), (167, 111858994), (334, 55929497), (793, 23556686), (1586, 11778343), (2171, 8604538), (4342, 4302269), (10187, 1833754), (20374, 916877), (70529, 264862), (132431, 141058)]