18919010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{587}}^1$

素因数の和:898

約数の個数: 32

約数和(自身を含む): 37340352

約数和(自身を除く): 18421342

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 293, 586, 587, 1174, 1465, 2930, 2935, 3223, 5870, 6446, 6457, 12914, 16115, 32230, 32285, 64570, 171991, 343982, 859955, 1719910, 1891901, 3783802, 9459505, 18919010]

約数ペア:

[(1, 18919010), (2, 9459505), (5, 3783802), (10, 1891901), (11, 1719910), (22, 859955), (55, 343982), (110, 171991), (293, 64570), (586, 32285), (587, 32230), (1174, 16115), (1465, 12914), (2930, 6457), (2935, 6446), (3223, 5870)]