19711750

素因数分解:

$2^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{2131}}^1$

素因数の和:2185

約数の個数: 32

約数和(自身を含む): 37915488

約数和(自身を除く): 18203738

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 125, 185, 250, 370, 925, 1850, 2131, 4262, 4625, 9250, 10655, 21310, 53275, 78847, 106550, 157694, 266375, 394235, 532750, 788470, 1971175, 3942350, 9855875, 19711750]

約数ペア:

[(1, 19711750), (2, 9855875), (5, 3942350), (10, 1971175), (25, 788470), (37, 532750), (50, 394235), (74, 266375), (125, 157694), (185, 106550), (250, 78847), (370, 53275), (925, 21310), (1850, 10655), (2131, 9250), (4262, 4625)]