19391000

素因数分解:

$2^3\times 5^3\times {\mathrm{19391}}^1$

素因数の和:19412

約数の個数: 32

約数和(自身を含む): 45377280

約数和(自身を除く): 25986280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 19391, 38782, 77564, 96955, 155128, 193910, 387820, 484775, 775640, 969550, 1939100, 2423875, 3878200, 4847750, 9695500, 19391000]

約数ペア:

[(1, 19391000), (2, 9695500), (4, 4847750), (5, 3878200), (8, 2423875), (10, 1939100), (20, 969550), (25, 775640), (40, 484775), (50, 387820), (100, 193910), (125, 155128), (200, 96955), (250, 77564), (500, 38782), (1000, 19391)]