19994751

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13799}}^1$

素因数の和:13835

約数の個数: 24

約数和(自身を含む): 34444800

約数和(自身を除く): 14450049

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 13799, 41397, 96593, 124191, 289779, 317377, 869337, 952131, 2221639, 2856393, 6664917, 19994751]

約数ペア:

[(1, 19994751), (3, 6664917), (7, 2856393), (9, 2221639), (21, 952131), (23, 869337), (63, 317377), (69, 289779), (161, 124191), (207, 96593), (483, 41397), (1449, 13799)]