18718744

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5749}}^1$

素因数の和:5803

約数の個数: 32

約数和(自身を含む): 39330000

約数和(自身を除く): 20611256

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 814, 1628, 3256, 5749, 11498, 22996, 45992, 63239, 126478, 212713, 252956, 425426, 505912, 850852, 1701704, 2339843, 4679686, 9359372, 18718744]

約数ペア:

[(1, 18718744), (2, 9359372), (4, 4679686), (8, 2339843), (11, 1701704), (22, 850852), (37, 505912), (44, 425426), (74, 252956), (88, 212713), (148, 126478), (296, 63239), (407, 45992), (814, 22996), (1628, 11498), (3256, 5749)]