18758936

素因数分解:

$2^3\times 7^1\times {\mathrm{457}}^1\times {\mathrm{733}}^1$

素因数の和:1203

約数の個数: 32

約数和(自身を含む): 40340640

約数和(自身を除く): 21581704

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 457, 733, 914, 1466, 1828, 2932, 3199, 3656, 5131, 5864, 6398, 10262, 12796, 20524, 25592, 41048, 334981, 669962, 1339924, 2344867, 2679848, 4689734, 9379468, 18758936]

約数ペア:

[(1, 18758936), (2, 9379468), (4, 4689734), (7, 2679848), (8, 2344867), (14, 1339924), (28, 669962), (56, 334981), (457, 41048), (733, 25592), (914, 20524), (1466, 12796), (1828, 10262), (2932, 6398), (3199, 5864), (3656, 5131)]