1917563540

素因数分解:

$2^2\times 5^1\times {\mathrm{12721}}^1\times {\mathrm{7537}}^1$

素因数の和:20267

約数の個数: 24

約数和(自身を含む): 4027734312

約数和(自身を除く): 2110170772

約数列:

[1, 2, 4, 5, 10, 20, 7537, 12721, 15074, 25442, 30148, 37685, 50884, 63605, 75370, 127210, 150740, 254420, 95878177, 191756354, 383512708, 479390885, 958781770, 1917563540]

約数ペア:

[(1, 1917563540), (2, 958781770), (4, 479390885), (5, 383512708), (10, 191756354), (20, 95878177), (7537, 254420), (12721, 150740), (15074, 127210), (25442, 75370), (30148, 63605), (37685, 50884)]