19725692

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{11549}}^1$

素因数の和:11621

約数の個数: 24

約数和(自身を含む): 40101600

約数和(自身を除く): 20375908

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 11549, 23098, 46196, 80843, 161686, 323372, 704489, 1408978, 2817956, 4931423, 9862846, 19725692]

約数ペア:

[(1, 19725692), (2, 9862846), (4, 4931423), (7, 2817956), (14, 1408978), (28, 704489), (61, 323372), (122, 161686), (244, 80843), (427, 46196), (854, 23098), (1708, 11549)]