15321872

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{4861}}^1$

素因数の和:5066

約数の個数: 20

約数和(自身を含む): 29842956

約数和(自身を除く): 14521084

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 4861, 9722, 19444, 38888, 77776, 957617, 1915234, 3830468, 7660936, 15321872]

約数ペア:

[(1, 15321872), (2, 7660936), (4, 3830468), (8, 1915234), (16, 957617), (197, 77776), (394, 38888), (788, 19444), (1576, 9722), (3152, 4861)]