19419530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149381}}^1$

素因数の和:149401

約数の個数: 16

約数和(自身を含む): 37644264

約数和(自身を除く): 18224734

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149381, 298762, 746905, 1493810, 1941953, 3883906, 9709765, 19419530]

約数ペア:

[(1, 19419530), (2, 9709765), (5, 3883906), (10, 1941953), (13, 1493810), (26, 746905), (65, 298762), (130, 149381)]