18961420

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{16069}}^1$

素因数の和:16137

約数の個数: 24

約数和(自身を含む): 40496400

約数和(自身を除く): 21534980

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 16069, 32138, 64276, 80345, 160690, 321380, 948071, 1896142, 3792284, 4740355, 9480710, 18961420]

約数ペア:

[(1, 18961420), (2, 9480710), (4, 4740355), (5, 3792284), (10, 1896142), (20, 948071), (59, 321380), (118, 160690), (236, 80345), (295, 64276), (590, 32138), (1180, 16069)]