1881820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2543}}^1$

素因数の和:2589

約数の個数: 24

約数和(自身を含む): 4060224

約数和(自身を除く): 2178404

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 2543, 5086, 10172, 12715, 25430, 50860, 94091, 188182, 376364, 470455, 940910, 1881820]

約数ペア:

[(1, 1881820), (2, 940910), (4, 470455), (5, 376364), (10, 188182), (20, 94091), (37, 50860), (74, 25430), (148, 12715), (185, 10172), (370, 5086), (740, 2543)]