18460390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{673}}^1$

素因数の和:904

約数の個数: 32

約数和(自身を含む): 36007776

約数和(自身を除く): 17547386

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 211, 422, 673, 1055, 1346, 2110, 2743, 3365, 5486, 6730, 8749, 13715, 17498, 27430, 43745, 87490, 142003, 284006, 710015, 1420030, 1846039, 3692078, 9230195, 18460390]

約数ペア:

[(1, 18460390), (2, 9230195), (5, 3692078), (10, 1846039), (13, 1420030), (26, 710015), (65, 284006), (130, 142003), (211, 87490), (422, 43745), (673, 27430), (1055, 17498), (1346, 13715), (2110, 8749), (2743, 6730), (3365, 5486)]