19666935

素因数分解:

$3^3\times 5^1\times {\mathrm{145681}}^1$

素因数の和:145695

約数の個数: 16

約数和(自身を含む): 34963680

約数和(自身を除く): 15296745

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 145681, 437043, 728405, 1311129, 2185215, 3933387, 6555645, 19666935]

約数ペア:

[(1, 19666935), (3, 6555645), (5, 3933387), (9, 2185215), (15, 1311129), (27, 728405), (45, 437043), (135, 145681)]