19903485

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1447}}^1$

素因数の和:1593

約数の個数: 32

約数和(自身を含む): 36698112

約数和(自身を除く): 16794627

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 131, 393, 655, 917, 1447, 1965, 2751, 4341, 4585, 7235, 10129, 13755, 21705, 30387, 50645, 151935, 189557, 568671, 947785, 1326899, 2843355, 3980697, 6634495, 19903485]

約数ペア:

[(1, 19903485), (3, 6634495), (5, 3980697), (7, 2843355), (15, 1326899), (21, 947785), (35, 568671), (105, 189557), (131, 151935), (393, 50645), (655, 30387), (917, 21705), (1447, 13755), (1965, 10129), (2751, 7235), (4341, 4585)]