19570505

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{971}}^1$

素因数の和:1144

約数の個数: 16

約数和(自身を含む): 24494400

約数和(自身を除く): 4923895

約数列:

[1, 5, 29, 139, 145, 695, 971, 4031, 4855, 20155, 28159, 134969, 140795, 674845, 3914101, 19570505]

約数ペア:

[(1, 19570505), (5, 3914101), (29, 674845), (139, 140795), (145, 134969), (695, 28159), (971, 20155), (4031, 4855)]