19838556

素因数分解:

$2^2\times 3^2\times {\mathrm{349}}^1\times {\mathrm{1579}}^1$

素因数の和:1938

約数の個数: 36

約数和(自身を含む): 50323000

約数和(自身を除く): 30484444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 349, 698, 1047, 1396, 1579, 2094, 3141, 3158, 4188, 4737, 6282, 6316, 9474, 12564, 14211, 18948, 28422, 56844, 551071, 1102142, 1653213, 2204284, 3306426, 4959639, 6612852, 9919278, 19838556]

約数ペア:

[(1, 19838556), (2, 9919278), (3, 6612852), (4, 4959639), (6, 3306426), (9, 2204284), (12, 1653213), (18, 1102142), (36, 551071), (349, 56844), (698, 28422), (1047, 18948), (1396, 14211), (1579, 12564), (2094, 9474), (3141, 6316), (3158, 6282), (4188, 4737)]