19800723

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{9257}}^1$

素因数の和:9314

約数の個数: 16

約数和(自身を含む): 28440576

約数和(自身を除く): 8639853

約数列:

[1, 3, 23, 31, 69, 93, 713, 2139, 9257, 27771, 212911, 286967, 638733, 860901, 6600241, 19800723]

約数ペア:

[(1, 19800723), (3, 6600241), (23, 860901), (31, 638733), (69, 286967), (93, 212911), (713, 27771), (2139, 9257)]