19178830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2207}}^1$

素因数の和:2304

約数の個数: 32

約数和(自身を含む): 38154240

約数和(自身を除く): 18975410

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 1738, 2207, 4345, 4414, 8690, 11035, 22070, 24277, 48554, 121385, 174353, 242770, 348706, 871765, 1743530, 1917883, 3835766, 9589415, 19178830]

約数ペア:

[(1, 19178830), (2, 9589415), (5, 3835766), (10, 1917883), (11, 1743530), (22, 871765), (55, 348706), (79, 242770), (110, 174353), (158, 121385), (395, 48554), (790, 24277), (869, 22070), (1738, 11035), (2207, 8690), (4345, 4414)]