193820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{881}}^1$

素因数の和:901

約数の個数: 24

約数和(自身を含む): 444528

約数和(自身を除く): 250708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 881, 1762, 3524, 4405, 8810, 9691, 17620, 19382, 38764, 48455, 96910, 193820]

約数ペア:

[(1, 193820), (2, 96910), (4, 48455), (5, 38764), (10, 19382), (11, 17620), (20, 9691), (22, 8810), (44, 4405), (55, 3524), (110, 1762), (220, 881)]