19277700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4943}}^1$

素因数の和:4973

約数の個数: 72

約数和(自身を含む): 60079488

約数和(自身を除く): 40801788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 4943, 9886, 14829, 19772, 24715, 29658, 49430, 59316, 64259, 74145, 98860, 123575, 128518, 148290, 192777, 247150, 257036, 296580, 321295, 370725, 385554, 494300, 642590, 741450, 771108, 963885, 1285180, 1482900, 1606475, 1927770, 3212950, 3855540, 4819425, 6425900, 9638850, 19277700]

約数ペア:

[(1, 19277700), (2, 9638850), (3, 6425900), (4, 4819425), (5, 3855540), (6, 3212950), (10, 1927770), (12, 1606475), (13, 1482900), (15, 1285180), (20, 963885), (25, 771108), (26, 741450), (30, 642590), (39, 494300), (50, 385554), (52, 370725), (60, 321295), (65, 296580), (75, 257036), (78, 247150), (100, 192777), (130, 148290), (150, 128518), (156, 123575), (195, 98860), (260, 74145), (300, 64259), (325, 59316), (390, 49430), (650, 29658), (780, 24715), (975, 19772), (1300, 14829), (1950, 9886), (3900, 4943)]