18514808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3359}}^1$

素因数の和:3431

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 19587592

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 3359, 5512, 6718, 13436, 26872, 43667, 87334, 174668, 178027, 349336, 356054, 712108, 1424216, 2314351, 4628702, 9257404, 18514808]

約数ペア:

[(1, 18514808), (2, 9257404), (4, 4628702), (8, 2314351), (13, 1424216), (26, 712108), (52, 356054), (53, 349336), (104, 178027), (106, 174668), (212, 87334), (424, 43667), (689, 26872), (1378, 13436), (2756, 6718), (3359, 5512)]