19899060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331651}}^1$

素因数の和:331663

約数の個数: 24

約数和(自身を含む): 55717536

約数和(自身を除く): 35818476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331651, 663302, 994953, 1326604, 1658255, 1989906, 3316510, 3979812, 4974765, 6633020, 9949530, 19899060]

約数ペア:

[(1, 19899060), (2, 9949530), (3, 6633020), (4, 4974765), (5, 3979812), (6, 3316510), (10, 1989906), (12, 1658255), (15, 1326604), (20, 994953), (30, 663302), (60, 331651)]