18771148

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{2357}}^1$

素因数の和:2553

約数の個数: 24

約数和(自身を含む): 36049104

約数和(自身を除く): 17277956

約数列:

[1, 2, 4, 11, 22, 44, 181, 362, 724, 1991, 2357, 3982, 4714, 7964, 9428, 25927, 51854, 103708, 426617, 853234, 1706468, 4692787, 9385574, 18771148]

約数ペア:

[(1, 18771148), (2, 9385574), (4, 4692787), (11, 1706468), (22, 853234), (44, 426617), (181, 103708), (362, 51854), (724, 25927), (1991, 9428), (2357, 7964), (3982, 4714)]