19202217

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 28600320

約数和(自身を除く): 9398103

約数列:

[1, 3, 19, 23, 57, 69, 97, 151, 291, 437, 453, 1311, 1843, 2231, 2869, 3473, 5529, 6693, 8607, 10419, 14647, 42389, 43941, 65987, 127167, 197961, 278293, 336881, 834879, 1010643, 6400739, 19202217]

約数ペア:

[(1, 19202217), (3, 6400739), (19, 1010643), (23, 834879), (57, 336881), (69, 278293), (97, 197961), (151, 127167), (291, 65987), (437, 43941), (453, 42389), (1311, 14647), (1843, 10419), (2231, 8607), (2869, 6693), (3473, 5529)]