18900385

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{13171}}^1$

素因数の和:13224

約数の個数: 16

約数和(自身を含む): 26554752

約数和(自身を除く): 7654367

約数列:

[1, 5, 7, 35, 41, 205, 287, 1435, 13171, 65855, 92197, 460985, 540011, 2700055, 3780077, 18900385]

約数ペア:

[(1, 18900385), (5, 3780077), (7, 2700055), (35, 540011), (41, 460985), (205, 92197), (287, 65855), (1435, 13171)]