19968032

素因数分解:

$2^5\times 7^1\times {\mathrm{97}}^1\times {\mathrm{919}}^1$

素因数の和:1033

約数の個数: 48

約数和(自身を含む): 45440640

約数和(自身を除く): 25472608

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 97, 112, 194, 224, 388, 679, 776, 919, 1358, 1552, 1838, 2716, 3104, 3676, 5432, 6433, 7352, 10864, 12866, 14704, 21728, 25732, 29408, 51464, 89143, 102928, 178286, 205856, 356572, 624001, 713144, 1248002, 1426288, 2496004, 2852576, 4992008, 9984016, 19968032]

約数ペア:

[(1, 19968032), (2, 9984016), (4, 4992008), (7, 2852576), (8, 2496004), (14, 1426288), (16, 1248002), (28, 713144), (32, 624001), (56, 356572), (97, 205856), (112, 178286), (194, 102928), (224, 89143), (388, 51464), (679, 29408), (776, 25732), (919, 21728), (1358, 14704), (1552, 12866), (1838, 10864), (2716, 7352), (3104, 6433), (3676, 5432)]