18855256

素因数分解:

$2^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{3089}}^1$

素因数の和:3211

約数の個数: 32

約数和(自身を含む): 40788000

約数和(自身を除く): 21932744

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 109, 218, 436, 763, 872, 1526, 3052, 3089, 6104, 6178, 12356, 21623, 24712, 43246, 86492, 172984, 336701, 673402, 1346804, 2356907, 2693608, 4713814, 9427628, 18855256]

約数ペア:

[(1, 18855256), (2, 9427628), (4, 4713814), (7, 2693608), (8, 2356907), (14, 1346804), (28, 673402), (56, 336701), (109, 172984), (218, 86492), (436, 43246), (763, 24712), (872, 21623), (1526, 12356), (3052, 6178), (3089, 6104)]