17896780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81349}}^1$

素因数の和:81369

約数の個数: 24

約数和(自身を含む): 41000400

約数和(自身を除く): 23103620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 81349, 162698, 325396, 406745, 813490, 894839, 1626980, 1789678, 3579356, 4474195, 8948390, 17896780]

約数ペア:

[(1, 17896780), (2, 8948390), (4, 4474195), (5, 3579356), (10, 1789678), (11, 1626980), (20, 894839), (22, 813490), (44, 406745), (55, 325396), (110, 162698), (220, 81349)]