18364521

素因数分解:

$3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{3659}}^1$

素因数の和:3908

約数の個数: 16

約数和(自身を含む): 28108800

約数和(自身を除く): 9744279

約数列:

[1, 3, 7, 21, 239, 717, 1673, 3659, 5019, 10977, 25613, 76839, 874501, 2623503, 6121507, 18364521]

約数ペア:

[(1, 18364521), (3, 6121507), (7, 2623503), (21, 874501), (239, 76839), (717, 25613), (1673, 10977), (3659, 5019)]