19181690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1693}}^1$

素因数の和:1814

約数の個数: 32

約数和(自身を含む): 38054016

約数和(自身を除く): 18872326

約数列:

[1, 2, 5, 10, 11, 22, 55, 103, 110, 206, 515, 1030, 1133, 1693, 2266, 3386, 5665, 8465, 11330, 16930, 18623, 37246, 93115, 174379, 186230, 348758, 871895, 1743790, 1918169, 3836338, 9590845, 19181690]

約数ペア:

[(1, 19181690), (2, 9590845), (5, 3836338), (10, 1918169), (11, 1743790), (22, 871895), (55, 348758), (103, 186230), (110, 174379), (206, 93115), (515, 37246), (1030, 18623), (1133, 16930), (1693, 11330), (2266, 8465), (3386, 5665)]