19502890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1657}}^1$

素因数の和:1782

約数の個数: 32

約数和(自身を含む): 38677824

約数和(自身を除く): 19174934

約数列:

[1, 2, 5, 10, 11, 22, 55, 107, 110, 214, 535, 1070, 1177, 1657, 2354, 3314, 5885, 8285, 11770, 16570, 18227, 36454, 91135, 177299, 182270, 354598, 886495, 1772990, 1950289, 3900578, 9751445, 19502890]

約数ペア:

[(1, 19502890), (2, 9751445), (5, 3900578), (10, 1950289), (11, 1772990), (22, 886495), (55, 354598), (107, 182270), (110, 177299), (214, 91135), (535, 36454), (1070, 18227), (1177, 16570), (1657, 11770), (2354, 8285), (3314, 5885)]