19397974

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:508

約数の個数: 24

約数和(自身を含む): 31245048

約数和(自身を除く): 11847074

約数列:

[1, 2, 19, 38, 67, 134, 361, 401, 722, 802, 1273, 2546, 7619, 15238, 24187, 26867, 48374, 53734, 144761, 289522, 510473, 1020946, 9698987, 19397974]

約数ペア:

[(1, 19397974), (2, 9698987), (19, 1020946), (38, 510473), (67, 289522), (134, 144761), (361, 53734), (401, 48374), (722, 26867), (802, 24187), (1273, 15238), (2546, 7619)]