19973690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1697}}^1$

素因数の和:1822

約数の個数: 32

約数和(自身を含む): 39610944

約数和(自身を除く): 19637254

約数列:

[1, 2, 5, 10, 11, 22, 55, 107, 110, 214, 535, 1070, 1177, 1697, 2354, 3394, 5885, 8485, 11770, 16970, 18667, 37334, 93335, 181579, 186670, 363158, 907895, 1815790, 1997369, 3994738, 9986845, 19973690]

約数ペア:

[(1, 19973690), (2, 9986845), (5, 3994738), (10, 1997369), (11, 1815790), (22, 907895), (55, 363158), (107, 186670), (110, 181579), (214, 93335), (535, 37334), (1070, 18667), (1177, 16970), (1697, 11770), (2354, 8485), (3394, 5885)]