18540072

素因数分解:

$2^3\times 3^2\times {\mathrm{257501}}^1$

素因数の和:257513

約数の個数: 24

約数和(自身を含む): 50212890

約数和(自身を除く): 31672818

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 257501, 515002, 772503, 1030004, 1545006, 2060008, 2317509, 3090012, 4635018, 6180024, 9270036, 18540072]

約数ペア:

[(1, 18540072), (2, 9270036), (3, 6180024), (4, 4635018), (6, 3090012), (8, 2317509), (9, 2060008), (12, 1545006), (18, 1030004), (24, 772503), (36, 515002), (72, 257501)]