19854963

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{14419}}^1$

素因数の和:14448

約数の個数: 20

約数和(自身を含む): 31406760

約数和(自身を除く): 11551797

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 14419, 43257, 129771, 245123, 389313, 735369, 1167939, 2206107, 6618321, 19854963]

約数ペア:

[(1, 19854963), (3, 6618321), (9, 2206107), (17, 1167939), (27, 735369), (51, 389313), (81, 245123), (153, 129771), (459, 43257), (1377, 14419)]