18140787

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1811}}^1$

素因数の和:1880

約数の個数: 32

約数和(自身を含む): 31311360

約数和(自身を除く): 13170573

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 159, 189, 371, 477, 1113, 1431, 1811, 3339, 5433, 10017, 12677, 16299, 38031, 48897, 95983, 114093, 287949, 342279, 671881, 863847, 2015643, 2591541, 6046929, 18140787]

約数ペア:

[(1, 18140787), (3, 6046929), (7, 2591541), (9, 2015643), (21, 863847), (27, 671881), (53, 342279), (63, 287949), (159, 114093), (189, 95983), (371, 48897), (477, 38031), (1113, 16299), (1431, 12677), (1811, 10017), (3339, 5433)]