18182240

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5981}}^1$

素因数の和:6015

約数の個数: 48

約数和(自身を含む): 45223920

約数和(自身を除く): 27041680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 5981, 11962, 23924, 29905, 47848, 59810, 95696, 113639, 119620, 191392, 227278, 239240, 454556, 478480, 568195, 909112, 956960, 1136390, 1818224, 2272780, 3636448, 4545560, 9091120, 18182240]

約数ペア:

[(1, 18182240), (2, 9091120), (4, 4545560), (5, 3636448), (8, 2272780), (10, 1818224), (16, 1136390), (19, 956960), (20, 909112), (32, 568195), (38, 478480), (40, 454556), (76, 239240), (80, 227278), (95, 191392), (152, 119620), (160, 113639), (190, 95696), (304, 59810), (380, 47848), (608, 29905), (760, 23924), (1520, 11962), (3040, 5981)]