19931665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16139}}^1$

素因数の和:16176

約数の個数: 16

約数和(自身を含む): 27115200

約数和(自身を除く): 7183535

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 16139, 80695, 209807, 306641, 1049035, 1533205, 3986333, 19931665]

約数ペア:

[(1, 19931665), (5, 3986333), (13, 1533205), (19, 1049035), (65, 306641), (95, 209807), (247, 80695), (1235, 16139)]