19761235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16001}}^1$

素因数の和:16038

約数の個数: 16

約数和(自身を含む): 26883360

約数和(自身を除く): 7122125

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 16001, 80005, 208013, 304019, 1040065, 1520095, 3952247, 19761235]

約数ペア:

[(1, 19761235), (5, 3952247), (13, 1520095), (19, 1040065), (65, 304019), (95, 208013), (247, 80005), (1235, 16001)]