19556173

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:365

約数の個数: 24

約数和(自身を含む): 24688896

約数和(自身を除く): 5132723

約数列:

[1, 7, 13, 61, 91, 169, 271, 427, 793, 1183, 1897, 3523, 5551, 10309, 16531, 24661, 45799, 72163, 115717, 214903, 320593, 1504321, 2793739, 19556173]

約数ペア:

[(1, 19556173), (7, 2793739), (13, 1504321), (61, 320593), (91, 214903), (169, 115717), (271, 72163), (427, 45799), (793, 24661), (1183, 16531), (1897, 10309), (3523, 5551)]