18434851792

素因数分解:

$2^4\times 7^1\times {\mathrm{691}}^1\times {\mathrm{238201}}^1$

素因数の和:238907

約数の個数: 40

約数和(自身を含む): 40879274432

約数和(自身を除く): 22444422640

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 691, 1382, 2764, 4837, 5528, 9674, 11056, 19348, 38696, 77392, 238201, 476402, 952804, 1667407, 1905608, 3334814, 3811216, 6669628, 13339256, 26678512, 164596891, 329193782, 658387564, 1152178237, 1316775128, 2304356474, 2633550256, 4608712948, 9217425896, 18434851792]

約数ペア:

[(1, 18434851792), (2, 9217425896), (4, 4608712948), (7, 2633550256), (8, 2304356474), (14, 1316775128), (16, 1152178237), (28, 658387564), (56, 329193782), (112, 164596891), (691, 26678512), (1382, 13339256), (2764, 6669628), (4837, 3811216), (5528, 3334814), (9674, 1905608), (11056, 1667407), (19348, 952804), (38696, 476402), (77392, 238201)]