19737728

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{3761}}^1$

素因数の和:3816

約数の個数: 32

約数和(自身を含む): 40291020

約数和(自身を除く): 20553292

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 328, 656, 1312, 2624, 3761, 5248, 7522, 15044, 30088, 60176, 120352, 154201, 240704, 308402, 481408, 616804, 1233608, 2467216, 4934432, 9868864, 19737728]

約数ペア:

[(1, 19737728), (2, 9868864), (4, 4934432), (8, 2467216), (16, 1233608), (32, 616804), (41, 481408), (64, 308402), (82, 240704), (128, 154201), (164, 120352), (328, 60176), (656, 30088), (1312, 15044), (2624, 7522), (3761, 5248)]