19613828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{1087}}^1$

素因数の和:1451

約数の個数: 24

約数和(自身を含む): 37105152

約数和(自身を除く): 17491324

約数列:

[1, 2, 4, 13, 26, 52, 347, 694, 1087, 1388, 2174, 4348, 4511, 9022, 14131, 18044, 28262, 56524, 377189, 754378, 1508756, 4903457, 9806914, 19613828]

約数ペア:

[(1, 19613828), (2, 9806914), (4, 4903457), (13, 1508756), (26, 754378), (52, 377189), (347, 56524), (694, 28262), (1087, 18044), (1388, 14131), (2174, 9022), (4348, 4511)]