19918497

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{2417}}^1$

素因数の和:2528

約数の個数: 16

約数和(自身を含む): 27623232

約数和(自身を除く): 7704735

約数列:

[1, 3, 41, 67, 123, 201, 2417, 2747, 7251, 8241, 99097, 161939, 297291, 485817, 6639499, 19918497]

約数ペア:

[(1, 19918497), (3, 6639499), (41, 485817), (67, 297291), (123, 161939), (201, 99097), (2417, 8241), (2747, 7251)]