19993652

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{6551}}^1$

素因数の和:6671

約数の個数: 24

約数和(自身を含む): 40360320

約数和(自身を除く): 20366668

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 3052, 6551, 13102, 26204, 45857, 91714, 183428, 714059, 1428118, 2856236, 4998413, 9996826, 19993652]

約数ペア:

[(1, 19993652), (2, 9996826), (4, 4998413), (7, 2856236), (14, 1428118), (28, 714059), (109, 183428), (218, 91714), (436, 45857), (763, 26204), (1526, 13102), (3052, 6551)]