18949406

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{22189}}^1$

素因数の和:22259

約数の個数: 16

約数和(自身を含む): 33018720

約数和(自身を除く): 14069314

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 22189, 44378, 155323, 310646, 1353529, 2707058, 9474703, 18949406]

約数ペア:

[(1, 18949406), (2, 9474703), (7, 2707058), (14, 1353529), (61, 310646), (122, 155323), (427, 44378), (854, 22189)]