19503848

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{367}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 45749760

約数和(自身を除く): 26245912

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 73, 91, 104, 146, 182, 292, 364, 367, 511, 584, 728, 734, 949, 1022, 1468, 1898, 2044, 2569, 2936, 3796, 4088, 4771, 5138, 6643, 7592, 9542, 10276, 13286, 19084, 20552, 26572, 26791, 33397, 38168, 53144, 53582, 66794, 107164, 133588, 187537, 214328, 267176, 348283, 375074, 696566, 750148, 1393132, 1500296, 2437981, 2786264, 4875962, 9751924, 19503848]

約数ペア:

[(1, 19503848), (2, 9751924), (4, 4875962), (7, 2786264), (8, 2437981), (13, 1500296), (14, 1393132), (26, 750148), (28, 696566), (52, 375074), (56, 348283), (73, 267176), (91, 214328), (104, 187537), (146, 133588), (182, 107164), (292, 66794), (364, 53582), (367, 53144), (511, 38168), (584, 33397), (728, 26791), (734, 26572), (949, 20552), (1022, 19084), (1468, 13286), (1898, 10276), (2044, 9542), (2569, 7592), (2936, 6643), (3796, 5138), (4088, 4771)]