1971860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8963}}^1$

素因数の和:8983

約数の個数: 24

約数和(自身を含む): 4517856

約数和(自身を除く): 2545996

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 8963, 17926, 35852, 44815, 89630, 98593, 179260, 197186, 394372, 492965, 985930, 1971860]

約数ペア:

[(1, 1971860), (2, 985930), (4, 492965), (5, 394372), (10, 197186), (11, 179260), (20, 98593), (22, 89630), (44, 44815), (55, 35852), (110, 17926), (220, 8963)]