19729740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{328829}}^1$

素因数の和:328841

約数の個数: 24

約数和(自身を含む): 55243440

約数和(自身を除く): 35513700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 328829, 657658, 986487, 1315316, 1644145, 1972974, 3288290, 3945948, 4932435, 6576580, 9864870, 19729740]

約数ペア:

[(1, 19729740), (2, 9864870), (3, 6576580), (4, 4932435), (5, 3945948), (6, 3288290), (10, 1972974), (12, 1644145), (15, 1315316), (20, 986487), (30, 657658), (60, 328829)]