18464312

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{991}}^1$

素因数の和:1151

約数の個数: 32

約数和(自身を含む): 36961920

約数和(自身を除く): 18497608

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 137, 274, 548, 991, 1096, 1982, 2329, 3964, 4658, 7928, 9316, 16847, 18632, 33694, 67388, 134776, 135767, 271534, 543068, 1086136, 2308039, 4616078, 9232156, 18464312]

約数ペア:

[(1, 18464312), (2, 9232156), (4, 4616078), (8, 2308039), (17, 1086136), (34, 543068), (68, 271534), (136, 135767), (137, 134776), (274, 67388), (548, 33694), (991, 18632), (1096, 16847), (1982, 9316), (2329, 7928), (3964, 4658)]