19993500

素因数分解:

$2^2\times 3^3\times 5^3\times {\mathrm{1481}}^1$

素因数の和:1509

約数の個数: 96

約数和(自身を含む): 64733760

約数和(自身を除く): 44740260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 125, 135, 150, 180, 225, 250, 270, 300, 375, 450, 500, 540, 675, 750, 900, 1125, 1350, 1481, 1500, 2250, 2700, 2962, 3375, 4443, 4500, 5924, 6750, 7405, 8886, 13329, 13500, 14810, 17772, 22215, 26658, 29620, 37025, 39987, 44430, 53316, 66645, 74050, 79974, 88860, 111075, 133290, 148100, 159948, 185125, 199935, 222150, 266580, 333225, 370250, 399870, 444300, 555375, 666450, 740500, 799740, 999675, 1110750, 1332900, 1666125, 1999350, 2221500, 3332250, 3998700, 4998375, 6664500, 9996750, 19993500]

約数ペア:

[(1, 19993500), (2, 9996750), (3, 6664500), (4, 4998375), (5, 3998700), (6, 3332250), (9, 2221500), (10, 1999350), (12, 1666125), (15, 1332900), (18, 1110750), (20, 999675), (25, 799740), (27, 740500), (30, 666450), (36, 555375), (45, 444300), (50, 399870), (54, 370250), (60, 333225), (75, 266580), (90, 222150), (100, 199935), (108, 185125), (125, 159948), (135, 148100), (150, 133290), (180, 111075), (225, 88860), (250, 79974), (270, 74050), (300, 66645), (375, 53316), (450, 44430), (500, 39987), (540, 37025), (675, 29620), (750, 26658), (900, 22215), (1125, 17772), (1350, 14810), (1481, 13500), (1500, 13329), (2250, 8886), (2700, 7405), (2962, 6750), (3375, 5924), (4443, 4500)]