19388630000

素因数分解:

$2^4\times 5^4\times {\mathrm{1938863}}^1$

素因数の和:1938891

約数の個数: 50

約数和(自身を含む): 46941836304

約数和(自身を除く): 27553206304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 10000, 1938863, 3877726, 7755452, 9694315, 15510904, 19388630, 31021808, 38777260, 48471575, 77554520, 96943150, 155109040, 193886300, 242357875, 387772600, 484715750, 775545200, 969431500, 1211789375, 1938863000, 2423578750, 3877726000, 4847157500, 9694315000, 19388630000]

約数ペア:

[(1, 19388630000), (2, 9694315000), (4, 4847157500), (5, 3877726000), (8, 2423578750), (10, 1938863000), (16, 1211789375), (20, 969431500), (25, 775545200), (40, 484715750), (50, 387772600), (80, 242357875), (100, 193886300), (125, 155109040), (200, 96943150), (250, 77554520), (400, 48471575), (500, 38777260), (625, 31021808), (1000, 19388630), (1250, 15510904), (2000, 9694315), (2500, 7755452), (5000, 3877726), (10000, 1938863)]