19900872

素因数分解:

$2^3\times 3^2\times {\mathrm{276401}}^1$

素因数の和:276413

約数の個数: 24

約数和(自身を含む): 53898390

約数和(自身を除く): 33997518

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 276401, 552802, 829203, 1105604, 1658406, 2211208, 2487609, 3316812, 4975218, 6633624, 9950436, 19900872]

約数ペア:

[(1, 19900872), (2, 9950436), (3, 6633624), (4, 4975218), (6, 3316812), (8, 2487609), (9, 2211208), (12, 1658406), (18, 1105604), (24, 829203), (36, 552802), (72, 276401)]