19655541

素因数分解:

$3^5\times {\mathrm{47}}^1\times {\mathrm{1721}}^1$

素因数の和:1783

約数の個数: 24

約数和(自身を含む): 30086784

約数和(自身を除く): 10431243

約数列:

[1, 3, 9, 27, 47, 81, 141, 243, 423, 1269, 1721, 3807, 5163, 11421, 15489, 46467, 80887, 139401, 242661, 418203, 727983, 2183949, 6551847, 19655541]

約数ペア:

[(1, 19655541), (3, 6551847), (9, 2183949), (27, 727983), (47, 418203), (81, 242661), (141, 139401), (243, 80887), (423, 46467), (1269, 15489), (1721, 11421), (3807, 5163)]