19777786

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{23159}}^1$

素因数の和:23229

約数の個数: 16

約数和(自身を含む): 34462080

約数和(自身を除く): 14684294

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 23159, 46318, 162113, 324226, 1412699, 2825398, 9888893, 19777786]

約数ペア:

[(1, 19777786), (2, 9888893), (7, 2825398), (14, 1412699), (61, 324226), (122, 162113), (427, 46318), (854, 23159)]