19785316

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{379}}^1\times {\mathrm{421}}^1$

素因数の和:835

約数の個数: 24

約数和(自身を含む): 35920640

約数和(自身を除く): 16135324

約数列:

[1, 2, 4, 31, 62, 124, 379, 421, 758, 842, 1516, 1684, 11749, 13051, 23498, 26102, 46996, 52204, 159559, 319118, 638236, 4946329, 9892658, 19785316]

約数ペア:

[(1, 19785316), (2, 9892658), (4, 4946329), (31, 638236), (62, 319118), (124, 159559), (379, 52204), (421, 46996), (758, 26102), (842, 23498), (1516, 13051), (1684, 11749)]