18300760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11159}}^1$

素因数の和:11211

約数の個数: 32

約数和(自身を含む): 42184800

約数和(自身を除く): 23884040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 11159, 22318, 44636, 55795, 89272, 111590, 223180, 446360, 457519, 915038, 1830076, 2287595, 3660152, 4575190, 9150380, 18300760]

約数ペア:

[(1, 18300760), (2, 9150380), (4, 4575190), (5, 3660152), (8, 2287595), (10, 1830076), (20, 915038), (40, 457519), (41, 446360), (82, 223180), (164, 111590), (205, 89272), (328, 55795), (410, 44636), (820, 22318), (1640, 11159)]