19309540

素因数分解:

$2^2\times 5^1\times {\mathrm{773}}^1\times {\mathrm{1249}}^1$

素因数の和:2031

約数の個数: 24

約数和(自身を含む): 40635000

約数和(自身を除く): 21325460

約数列:

[1, 2, 4, 5, 10, 20, 773, 1249, 1546, 2498, 3092, 3865, 4996, 6245, 7730, 12490, 15460, 24980, 965477, 1930954, 3861908, 4827385, 9654770, 19309540]

約数ペア:

[(1, 19309540), (2, 9654770), (4, 4827385), (5, 3861908), (10, 1930954), (20, 965477), (773, 24980), (1249, 15460), (1546, 12490), (2498, 7730), (3092, 6245), (3865, 4996)]