19067180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{7879}}^1$

素因数の和:7910

約数の個数: 36

約数和(自身を含む): 44017680

約数和(自身を除く): 24950500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 7879, 15758, 31516, 39395, 78790, 86669, 157580, 173338, 346676, 433345, 866690, 953359, 1733380, 1906718, 3813436, 4766795, 9533590, 19067180]

約数ペア:

[(1, 19067180), (2, 9533590), (4, 4766795), (5, 3813436), (10, 1906718), (11, 1733380), (20, 953359), (22, 866690), (44, 433345), (55, 346676), (110, 173338), (121, 157580), (220, 86669), (242, 78790), (484, 39395), (605, 31516), (1210, 15758), (2420, 7879)]