18086576

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:477

約数の個数: 40

約数和(自身を含む): 36456000

約数和(自身を除く): 18369424

約数列:

[1, 2, 4, 8, 16, 41, 79, 82, 158, 164, 316, 328, 349, 632, 656, 698, 1264, 1396, 2792, 3239, 5584, 6478, 12956, 14309, 25912, 27571, 28618, 51824, 55142, 57236, 110284, 114472, 220568, 228944, 441136, 1130411, 2260822, 4521644, 9043288, 18086576]

約数ペア:

[(1, 18086576), (2, 9043288), (4, 4521644), (8, 2260822), (16, 1130411), (41, 441136), (79, 228944), (82, 220568), (158, 114472), (164, 110284), (316, 57236), (328, 55142), (349, 51824), (632, 28618), (656, 27571), (698, 25912), (1264, 14309), (1396, 12956), (2792, 6478), (3239, 5584)]