18729250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{3943}}^1$

素因数の和:3979

約数の個数: 32

約数和(自身を含む): 36915840

約数和(自身を除く): 18186590

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 950, 2375, 3943, 4750, 7886, 19715, 39430, 74917, 98575, 149834, 197150, 374585, 492875, 749170, 985750, 1872925, 3745850, 9364625, 18729250]

約数ペア:

[(1, 18729250), (2, 9364625), (5, 3745850), (10, 1872925), (19, 985750), (25, 749170), (38, 492875), (50, 374585), (95, 197150), (125, 149834), (190, 98575), (250, 74917), (475, 39430), (950, 19715), (2375, 7886), (3943, 4750)]