19428404

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{523}}^1$

素因数の和:815

約数の個数: 24

約数和(自身を含む): 35124768

約数和(自身を除く): 15696364

約数列:

[1, 2, 4, 37, 74, 148, 251, 502, 523, 1004, 1046, 2092, 9287, 18574, 19351, 37148, 38702, 77404, 131273, 262546, 525092, 4857101, 9714202, 19428404]

約数ペア:

[(1, 19428404), (2, 9714202), (4, 4857101), (37, 525092), (74, 262546), (148, 131273), (251, 77404), (502, 38702), (523, 37148), (1004, 19351), (1046, 18574), (2092, 9287)]