17960985

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3001}}^1$

素因数の和:3038

約数の個数: 48

約数和(自身を含む): 37464960

約数和(自身を除く): 19503975

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 3001, 5985, 9003, 15005, 21007, 27009, 45015, 57019, 63021, 105035, 135045, 171057, 189063, 285095, 315105, 399133, 513171, 855285, 945315, 1197399, 1995665, 2565855, 3592197, 5986995, 17960985]

約数ペア:

[(1, 17960985), (3, 5986995), (5, 3592197), (7, 2565855), (9, 1995665), (15, 1197399), (19, 945315), (21, 855285), (35, 513171), (45, 399133), (57, 315105), (63, 285095), (95, 189063), (105, 171057), (133, 135045), (171, 105035), (285, 63021), (315, 57019), (399, 45015), (665, 27009), (855, 21007), (1197, 15005), (1995, 9003), (3001, 5985)]