18540216

素因数分解:

$2^3\times 3^2\times {\mathrm{257503}}^1$

素因数の和:257515

約数の個数: 24

約数和(自身を含む): 50213280

約数和(自身を除く): 31673064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 257503, 515006, 772509, 1030012, 1545018, 2060024, 2317527, 3090036, 4635054, 6180072, 9270108, 18540216]

約数ペア:

[(1, 18540216), (2, 9270108), (3, 6180072), (4, 4635054), (6, 3090036), (8, 2317527), (9, 2060024), (12, 1545018), (18, 1030012), (24, 772509), (36, 515006), (72, 257503)]