17956378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 30730752

約数和(自身を除く): 12774374

約数列:

[1, 2, 11, 22, 31, 62, 113, 226, 233, 341, 466, 682, 1243, 2486, 2563, 3503, 5126, 7006, 7223, 14446, 26329, 38533, 52658, 77066, 79453, 158906, 289619, 579238, 816199, 1632398, 8978189, 17956378]

約数ペア:

[(1, 17956378), (2, 8978189), (11, 1632398), (22, 816199), (31, 579238), (62, 289619), (113, 158906), (226, 79453), (233, 77066), (341, 52658), (466, 38533), (682, 26329), (1243, 14446), (2486, 7223), (2563, 7006), (3503, 5126)]