11948980

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{2221}}^1$

素因数の和:2499

約数の個数: 24

約数和(自身を含む): 25197480

約数和(自身を除く): 13248500

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2221, 2690, 4442, 5380, 8884, 11105, 22210, 44420, 597449, 1194898, 2389796, 2987245, 5974490, 11948980]

約数ペア:

[(1, 11948980), (2, 5974490), (4, 2987245), (5, 2389796), (10, 1194898), (20, 597449), (269, 44420), (538, 22210), (1076, 11105), (1345, 8884), (2221, 5380), (2690, 4442)]