18684971

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:374

約数の個数: 16

約数和(自身を含む): 20165376

約数和(自身を除く): 1480405

約数列:

[1, 31, 41, 61, 241, 1271, 1891, 2501, 7471, 9881, 14701, 77531, 306311, 455731, 602741, 18684971]

約数ペア:

[(1, 18684971), (31, 602741), (41, 455731), (61, 306311), (241, 77531), (1271, 14701), (1891, 9881), (2501, 7471)]