18522460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1427}}^1$

素因数の和:1506

約数の個数: 48

約数和(自身を含む): 43182720

約数和(自身を除く): 24660260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 1427, 2596, 2854, 3245, 5708, 6490, 7135, 12980, 14270, 15697, 28540, 31394, 62788, 78485, 84193, 156970, 168386, 313940, 336772, 420965, 841930, 926123, 1683860, 1852246, 3704492, 4630615, 9261230, 18522460]

約数ペア:

[(1, 18522460), (2, 9261230), (4, 4630615), (5, 3704492), (10, 1852246), (11, 1683860), (20, 926123), (22, 841930), (44, 420965), (55, 336772), (59, 313940), (110, 168386), (118, 156970), (220, 84193), (236, 78485), (295, 62788), (590, 31394), (649, 28540), (1180, 15697), (1298, 14270), (1427, 12980), (2596, 7135), (2854, 6490), (3245, 5708)]