19991938054

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2079461}}^1$

素因数の和:2079516

約数の個数: 32

約数和(自身を含む): 35933103360

約数和(自身を除く): 15941165306

約数列:

[1, 2, 11, 19, 22, 23, 38, 46, 209, 253, 418, 437, 506, 874, 4807, 9614, 2079461, 4158922, 22874071, 39509759, 45748142, 47827603, 79019518, 95655206, 434607349, 526103633, 869214698, 908724457, 1052207266, 1817448914, 9995969027, 19991938054]

約数ペア:

[(1, 19991938054), (2, 9995969027), (11, 1817448914), (19, 1052207266), (22, 908724457), (23, 869214698), (38, 526103633), (46, 434607349), (209, 95655206), (253, 79019518), (418, 47827603), (437, 45748142), (506, 39509759), (874, 22874071), (4807, 4158922), (9614, 2079461)]