19813802

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{937}}^1$

素因数の和:1145

約数の個数: 16

約数和(自身を含む): 30334920

約数和(自身を除く): 10521118

約数列:

[1, 2, 97, 109, 194, 218, 937, 1874, 10573, 21146, 90889, 102133, 181778, 204266, 9906901, 19813802]

約数ペア:

[(1, 19813802), (2, 9906901), (97, 204266), (109, 181778), (194, 102133), (218, 90889), (937, 21146), (1874, 10573)]