18483335

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 25945920

約数和(自身を除く): 7462585

約数列:

[1, 5, 13, 17, 43, 65, 85, 215, 221, 389, 559, 731, 1105, 1945, 2795, 3655, 5057, 6613, 9503, 16727, 25285, 33065, 47515, 83635, 85969, 217451, 284359, 429845, 1087255, 1421795, 3696667, 18483335]

約数ペア:

[(1, 18483335), (5, 3696667), (13, 1421795), (17, 1087255), (43, 429845), (65, 284359), (85, 217451), (215, 85969), (221, 83635), (389, 47515), (559, 33065), (731, 25285), (1105, 16727), (1945, 9503), (2795, 6613), (3655, 5057)]