18627993

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{373}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 28005120

約数和(自身を除く): 9377127

約数列:

[1, 3, 9, 31, 93, 179, 279, 373, 537, 1119, 1611, 3357, 5549, 11563, 16647, 34689, 49941, 66767, 104067, 200301, 600903, 2069777, 6209331, 18627993]

約数ペア:

[(1, 18627993), (3, 6209331), (9, 2069777), (31, 600903), (93, 200301), (179, 104067), (279, 66767), (373, 49941), (537, 34689), (1119, 16647), (1611, 11563), (3357, 5549)]