19651505

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{373}}^1$

素因数の和:676

約数の個数: 16

約数和(自身を含む): 24315984

約数和(自身を除く): 4664479

約数列:

[1, 5, 41, 205, 257, 373, 1285, 1865, 10537, 15293, 52685, 76465, 95861, 479305, 3930301, 19651505]

約数ペア:

[(1, 19651505), (5, 3930301), (41, 479305), (205, 95861), (257, 76465), (373, 52685), (1285, 15293), (1865, 10537)]