19195220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{87251}}^1$

素因数の和:87271

約数の個数: 24

約数和(自身を含む): 43975008

約数和(自身を除く): 24779788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 87251, 174502, 349004, 436255, 872510, 959761, 1745020, 1919522, 3839044, 4798805, 9597610, 19195220]

約数ペア:

[(1, 19195220), (2, 9597610), (4, 4798805), (5, 3839044), (10, 1919522), (11, 1745020), (20, 959761), (22, 872510), (44, 436255), (55, 349004), (110, 174502), (220, 87251)]