19931752

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 40947660

約数和(自身を除く): 21015908

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 136, 148, 233, 289, 296, 466, 578, 629, 932, 1156, 1258, 1864, 2312, 2516, 3961, 5032, 7922, 8621, 10693, 15844, 17242, 21386, 31688, 34484, 42772, 67337, 68968, 85544, 134674, 146557, 269348, 293114, 538696, 586228, 1172456, 2491469, 4982938, 9965876, 19931752]

約数ペア:

[(1, 19931752), (2, 9965876), (4, 4982938), (8, 2491469), (17, 1172456), (34, 586228), (37, 538696), (68, 293114), (74, 269348), (136, 146557), (148, 134674), (233, 85544), (289, 68968), (296, 67337), (466, 42772), (578, 34484), (629, 31688), (932, 21386), (1156, 17242), (1258, 15844), (1864, 10693), (2312, 8621), (2516, 7922), (3961, 5032)]