19402140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{323369}}^1$

素因数の和:323381

約数の個数: 24

約数和(自身を含む): 54326160

約数和(自身を除く): 34924020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 323369, 646738, 970107, 1293476, 1616845, 1940214, 3233690, 3880428, 4850535, 6467380, 9701070, 19402140]

約数ペア:

[(1, 19402140), (2, 9701070), (3, 6467380), (4, 4850535), (5, 3880428), (6, 3233690), (10, 1940214), (12, 1616845), (15, 1293476), (20, 970107), (30, 646738), (60, 323369)]