18084560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17389}}^1$

素因数の和:17415

約数の個数: 40

約数和(自身を含む): 45283560

約数和(自身を除く): 27199000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 17389, 34778, 69556, 86945, 139112, 173890, 226057, 278224, 347780, 452114, 695560, 904228, 1130285, 1391120, 1808456, 2260570, 3616912, 4521140, 9042280, 18084560]

約数ペア:

[(1, 18084560), (2, 9042280), (4, 4521140), (5, 3616912), (8, 2260570), (10, 1808456), (13, 1391120), (16, 1130285), (20, 904228), (26, 695560), (40, 452114), (52, 347780), (65, 278224), (80, 226057), (104, 173890), (130, 139112), (208, 86945), (260, 69556), (520, 34778), (1040, 17389)]