19666100

素因数分解:

$2^2\times 5^2\times {\mathrm{196661}}^1$

素因数の和:196675

約数の個数: 18

約数和(自身を含む): 42675654

約数和(自身を除く): 23009554

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 196661, 393322, 786644, 983305, 1966610, 3933220, 4916525, 9833050, 19666100]

約数ペア:

[(1, 19666100), (2, 9833050), (4, 4916525), (5, 3933220), (10, 1966610), (20, 983305), (25, 786644), (50, 393322), (100, 196661)]