19506964

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{419}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 34856640

約数和(自身を除く): 15349676

約数列:

[1, 2, 4, 103, 113, 206, 226, 412, 419, 452, 838, 1676, 11639, 23278, 43157, 46556, 47347, 86314, 94694, 172628, 189388, 4876741, 9753482, 19506964]

約数ペア:

[(1, 19506964), (2, 9753482), (4, 4876741), (103, 189388), (113, 172628), (206, 94694), (226, 86314), (412, 47347), (419, 46556), (452, 43157), (838, 23278), (1676, 11639)]