19102000

素因数分解:

$2^4\times 5^3\times {\mathrm{9551}}^1$

素因数の和:9574

約数の個数: 40

約数和(自身を含む): 46193472

約数和(自身を除く): 27091472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 9551, 19102, 38204, 47755, 76408, 95510, 152816, 191020, 238775, 382040, 477550, 764080, 955100, 1193875, 1910200, 2387750, 3820400, 4775500, 9551000, 19102000]

約数ペア:

[(1, 19102000), (2, 9551000), (4, 4775500), (5, 3820400), (8, 2387750), (10, 1910200), (16, 1193875), (20, 955100), (25, 764080), (40, 477550), (50, 382040), (80, 238775), (100, 191020), (125, 152816), (200, 95510), (250, 76408), (400, 47755), (500, 38204), (1000, 19102), (2000, 9551)]