19984368

素因数分解:

$2^4\times 3^1\times {\mathrm{223}}^1\times {\mathrm{1867}}^1$

素因数の和:2101

約数の個数: 40

約数和(自身を含む): 51885568

約数和(自身を除く): 31901200

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 223, 446, 669, 892, 1338, 1784, 1867, 2676, 3568, 3734, 5352, 5601, 7468, 10704, 11202, 14936, 22404, 29872, 44808, 89616, 416341, 832682, 1249023, 1665364, 2498046, 3330728, 4996092, 6661456, 9992184, 19984368]

約数ペア:

[(1, 19984368), (2, 9992184), (3, 6661456), (4, 4996092), (6, 3330728), (8, 2498046), (12, 1665364), (16, 1249023), (24, 832682), (48, 416341), (223, 89616), (446, 44808), (669, 29872), (892, 22404), (1338, 14936), (1784, 11202), (1867, 10704), (2676, 7468), (3568, 5601), (3734, 5352)]