18221880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{151849}}^1$

素因数の和:151863

約数の個数: 32

約数和(自身を含む): 54666000

約数和(自身を除く): 36444120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 151849, 303698, 455547, 607396, 759245, 911094, 1214792, 1518490, 1822188, 2277735, 3036980, 3644376, 4555470, 6073960, 9110940, 18221880]

約数ペア:

[(1, 18221880), (2, 9110940), (3, 6073960), (4, 4555470), (5, 3644376), (6, 3036980), (8, 2277735), (10, 1822188), (12, 1518490), (15, 1214792), (20, 911094), (24, 759245), (30, 607396), (40, 455547), (60, 303698), (120, 151849)]