15278090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 29168640

約数和(自身を除く): 13890550

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 191, 382, 421, 842, 955, 1910, 2105, 3629, 4210, 7258, 7999, 15998, 18145, 36290, 39995, 79990, 80411, 160822, 402055, 804110, 1527809, 3055618, 7639045, 15278090]

約数ペア:

[(1, 15278090), (2, 7639045), (5, 3055618), (10, 1527809), (19, 804110), (38, 402055), (95, 160822), (190, 80411), (191, 79990), (382, 39995), (421, 36290), (842, 18145), (955, 15998), (1910, 7999), (2105, 7258), (3629, 4210)]