18967359

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:335

約数の個数: 24

約数和(自身を含む): 27232128

約数和(自身を除く): 8264769

約数列:

[1, 3, 17, 51, 131, 167, 289, 393, 501, 867, 2227, 2839, 6681, 8517, 21877, 37859, 48263, 65631, 113577, 144789, 371909, 1115727, 6322453, 18967359]

約数ペア:

[(1, 18967359), (3, 6322453), (17, 1115727), (51, 371909), (131, 144789), (167, 113577), (289, 65631), (393, 48263), (501, 37859), (867, 21877), (2227, 8517), (2839, 6681)]