15905090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{863}}^1$

素因数の和:986

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 14576830

約数列:

[1, 2, 5, 10, 19, 38, 95, 97, 190, 194, 485, 863, 970, 1726, 1843, 3686, 4315, 8630, 9215, 16397, 18430, 32794, 81985, 83711, 163970, 167422, 418555, 837110, 1590509, 3181018, 7952545, 15905090]

約数ペア:

[(1, 15905090), (2, 7952545), (5, 3181018), (10, 1590509), (19, 837110), (38, 418555), (95, 167422), (97, 163970), (190, 83711), (194, 81985), (485, 32794), (863, 18430), (970, 16397), (1726, 9215), (1843, 8630), (3686, 4315)]