18395240

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8677}}^1$

素因数の和:8741

約数の個数: 32

約数和(自身を含む): 42175080

約数和(自身を除く): 23779840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 8677, 17354, 34708, 43385, 69416, 86770, 173540, 347080, 459881, 919762, 1839524, 2299405, 3679048, 4598810, 9197620, 18395240]

約数ペア:

[(1, 18395240), (2, 9197620), (4, 4598810), (5, 3679048), (8, 2299405), (10, 1839524), (20, 919762), (40, 459881), (53, 347080), (106, 173540), (212, 86770), (265, 69416), (424, 43385), (530, 34708), (1060, 17354), (2120, 8677)]