19661300

素因数分解:

$2^2\times 5^2\times {\mathrm{196613}}^1$

素因数の和:196627

約数の個数: 18

約数和(自身を含む): 42665238

約数和(自身を除く): 23003938

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 196613, 393226, 786452, 983065, 1966130, 3932260, 4915325, 9830650, 19661300]

約数ペア:

[(1, 19661300), (2, 9830650), (4, 4915325), (5, 3932260), (10, 1966130), (20, 983065), (25, 786452), (50, 393226), (100, 196613)]