15309820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{40289}}^1$

素因数の和:40317

約数の個数: 24

約数和(自身を含む): 33843600

約数和(自身を除く): 18533780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 40289, 80578, 161156, 201445, 402890, 765491, 805780, 1530982, 3061964, 3827455, 7654910, 15309820]

約数ペア:

[(1, 15309820), (2, 7654910), (4, 3827455), (5, 3061964), (10, 1530982), (19, 805780), (20, 765491), (38, 402890), (76, 201445), (95, 161156), (190, 80578), (380, 40289)]