18882556

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{607}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 41674752

約数和(自身を除く): 22792196

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 101, 154, 202, 308, 404, 607, 707, 1111, 1214, 1414, 2222, 2428, 2828, 4249, 4444, 6677, 7777, 8498, 13354, 15554, 16996, 26708, 31108, 46739, 61307, 93478, 122614, 186956, 245228, 429149, 674377, 858298, 1348754, 1716596, 2697508, 4720639, 9441278, 18882556]

約数ペア:

[(1, 18882556), (2, 9441278), (4, 4720639), (7, 2697508), (11, 1716596), (14, 1348754), (22, 858298), (28, 674377), (44, 429149), (77, 245228), (101, 186956), (154, 122614), (202, 93478), (308, 61307), (404, 46739), (607, 31108), (707, 26708), (1111, 16996), (1214, 15554), (1414, 13354), (2222, 8498), (2428, 7777), (2828, 6677), (4249, 4444)]