1801940218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{218629}}^1$

素因数の和:218961

約数の個数: 16

約数和(自身を含む): 2920022280

約数和(自身を除く): 1118082062

約数列:

[1, 2, 13, 26, 317, 634, 4121, 8242, 218629, 437258, 2842177, 5684354, 69305393, 138610786, 900970109, 1801940218]

約数ペア:

[(1, 1801940218), (2, 900970109), (13, 138610786), (26, 69305393), (317, 5684354), (634, 2842177), (4121, 437258), (8242, 218629)]