16921438

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{10861}}^1$

素因数の和:10923

約数の個数: 16

約数和(自身を含む): 27372240

約数和(自身を除く): 10450802

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 10861, 21722, 206359, 412718, 445301, 890602, 8460719, 16921438]

約数ペア:

[(1, 16921438), (2, 8460719), (19, 890602), (38, 445301), (41, 412718), (82, 206359), (779, 21722), (1558, 10861)]