18171817

素因数分解:

${\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:312

約数の個数: 16

約数和(自身を含む): 19607040

約数和(自身を除く): 1435223

約数列:

[1, 23, 73, 79, 137, 1679, 1817, 3151, 5767, 10001, 10823, 132641, 230023, 248929, 790079, 18171817]

約数ペア:

[(1, 18171817), (23, 790079), (73, 248929), (79, 230023), (137, 132641), (1679, 10823), (1817, 10001), (3151, 5767)]