18609160

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6373}}^1$

素因数の和:6457

約数の個数: 32

約数和(自身を含む): 42450840

約数和(自身を除く): 23841680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 6373, 12746, 25492, 31865, 50984, 63730, 127460, 254920, 465229, 930458, 1860916, 2326145, 3721832, 4652290, 9304580, 18609160]

約数ペア:

[(1, 18609160), (2, 9304580), (4, 4652290), (5, 3721832), (8, 2326145), (10, 1860916), (20, 930458), (40, 465229), (73, 254920), (146, 127460), (292, 63730), (365, 50984), (584, 31865), (730, 25492), (1460, 12746), (2920, 6373)]