19971268

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{5867}}^1$

素因数の和:5931

約数の個数: 24

約数和(自身を含む): 37461312

約数和(自身を除く): 17490044

約数列:

[1, 2, 4, 23, 37, 46, 74, 92, 148, 851, 1702, 3404, 5867, 11734, 23468, 134941, 217079, 269882, 434158, 539764, 868316, 4992817, 9985634, 19971268]

約数ペア:

[(1, 19971268), (2, 9985634), (4, 4992817), (23, 868316), (37, 539764), (46, 434158), (74, 269882), (92, 217079), (148, 134941), (851, 23468), (1702, 11734), (3404, 5867)]