18038319

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 27518400

約数和(自身を除く): 9480081

約数列:

[1, 3, 13, 29, 39, 41, 87, 123, 377, 389, 533, 1131, 1167, 1189, 1599, 3567, 5057, 11281, 15171, 15457, 15949, 33843, 46371, 47847, 146653, 207337, 439959, 462521, 622011, 1387563, 6012773, 18038319]

約数ペア:

[(1, 18038319), (3, 6012773), (13, 1387563), (29, 622011), (39, 462521), (41, 439959), (87, 207337), (123, 146653), (377, 47847), (389, 46371), (533, 33843), (1131, 15949), (1167, 15457), (1189, 15171), (1599, 11281), (3567, 5057)]