19617039

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{55889}}^1$

素因数の和:55911

約数の個数: 16

約数和(自身を含む): 31298400

約数和(自身を除く): 11681361

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 55889, 167667, 503001, 726557, 1509003, 2179671, 6539013, 19617039]

約数ペア:

[(1, 19617039), (3, 6539013), (9, 2179671), (13, 1509003), (27, 726557), (39, 503001), (117, 167667), (351, 55889)]