18611120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21149}}^1$

素因数の和:21173

約数の個数: 40

約数和(自身を含む): 47206800

約数和(自身を除く): 28595680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 21149, 42298, 84596, 105745, 169192, 211490, 232639, 338384, 422980, 465278, 845960, 930556, 1163195, 1691920, 1861112, 2326390, 3722224, 4652780, 9305560, 18611120]

約数ペア:

[(1, 18611120), (2, 9305560), (4, 4652780), (5, 3722224), (8, 2326390), (10, 1861112), (11, 1691920), (16, 1163195), (20, 930556), (22, 845960), (40, 465278), (44, 422980), (55, 338384), (80, 232639), (88, 211490), (110, 169192), (176, 105745), (220, 84596), (440, 42298), (880, 21149)]