18342961

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^2$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 23997120

約数和(自身を除く): 5654159

約数列:

[1, 7, 13, 19, 91, 103, 133, 247, 721, 1339, 1729, 1957, 9373, 10609, 13699, 25441, 74263, 137917, 178087, 201571, 965419, 1410997, 2620423, 18342961]

約数ペア:

[(1, 18342961), (7, 2620423), (13, 1410997), (19, 965419), (91, 201571), (103, 178087), (133, 137917), (247, 74263), (721, 25441), (1339, 13699), (1729, 10609), (1957, 9373)]