18025160

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6173}}^1$

素因数の和:6257

約数の個数: 32

約数和(自身を含む): 41118840

約数和(自身を除く): 23093680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 6173, 12346, 24692, 30865, 49384, 61730, 123460, 246920, 450629, 901258, 1802516, 2253145, 3605032, 4506290, 9012580, 18025160]

約数ペア:

[(1, 18025160), (2, 9012580), (4, 4506290), (5, 3605032), (8, 2253145), (10, 1802516), (20, 901258), (40, 450629), (73, 246920), (146, 123460), (292, 61730), (365, 49384), (584, 30865), (730, 24692), (1460, 12346), (2920, 6173)]