16876180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 37800000

約数和(自身を除く): 20923820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 499, 890, 998, 1691, 1780, 1996, 2495, 3382, 4990, 6764, 8455, 9481, 9980, 16910, 18962, 33820, 37924, 44411, 47405, 88822, 94810, 177644, 189620, 222055, 444110, 843809, 888220, 1687618, 3375236, 4219045, 8438090, 16876180]

約数ペア:

[(1, 16876180), (2, 8438090), (4, 4219045), (5, 3375236), (10, 1687618), (19, 888220), (20, 843809), (38, 444110), (76, 222055), (89, 189620), (95, 177644), (178, 94810), (190, 88822), (356, 47405), (380, 44411), (445, 37924), (499, 33820), (890, 18962), (998, 16910), (1691, 9980), (1780, 9481), (1996, 8455), (2495, 6764), (3382, 4990)]