19418216

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2011}}^1$

素因数の和:2105

約数の個数: 32

約数和(自身を含む): 39113280

約数和(自身を除く): 19695064

約数列:

[1, 2, 4, 8, 17, 34, 68, 71, 136, 142, 284, 568, 1207, 2011, 2414, 4022, 4828, 8044, 9656, 16088, 34187, 68374, 136748, 142781, 273496, 285562, 571124, 1142248, 2427277, 4854554, 9709108, 19418216]

約数ペア:

[(1, 19418216), (2, 9709108), (4, 4854554), (8, 2427277), (17, 1142248), (34, 571124), (68, 285562), (71, 273496), (136, 142781), (142, 136748), (284, 68374), (568, 34187), (1207, 16088), (2011, 9656), (2414, 8044), (4022, 4828)]