19372639

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{613}}^1$

素因数の和:667

約数の個数: 24

約数和(自身を含む): 24270192

約数和(自身を除く): 4897553

約数列:

[1, 11, 13, 17, 143, 169, 187, 221, 613, 1859, 2431, 2873, 6743, 7969, 10421, 31603, 87659, 103597, 114631, 135473, 1139567, 1490203, 1761149, 19372639]

約数ペア:

[(1, 19372639), (11, 1761149), (13, 1490203), (17, 1139567), (143, 135473), (169, 114631), (187, 103597), (221, 87659), (613, 31603), (1859, 10421), (2431, 7969), (2873, 6743)]