18036872

素因数分解:

$2^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2351}}^1$

素因数の和:2501

約数の個数: 32

約数和(自身を含む): 38949120

約数和(自身を除く): 20912248

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 137, 274, 548, 959, 1096, 1918, 2351, 3836, 4702, 7672, 9404, 16457, 18808, 32914, 65828, 131656, 322087, 644174, 1288348, 2254609, 2576696, 4509218, 9018436, 18036872]

約数ペア:

[(1, 18036872), (2, 9018436), (4, 4509218), (7, 2576696), (8, 2254609), (14, 1288348), (28, 644174), (56, 322087), (137, 131656), (274, 65828), (548, 32914), (959, 18808), (1096, 16457), (1918, 9404), (2351, 7672), (3836, 4702)]