19943013

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{4987}}^1$

素因数の和:5064

約数の個数: 16

約数和(自身を含む): 28092416

約数和(自身を除く): 8149403

約数列:

[1, 3, 31, 43, 93, 129, 1333, 3999, 4987, 14961, 154597, 214441, 463791, 643323, 6647671, 19943013]

約数ペア:

[(1, 19943013), (3, 6647671), (31, 643323), (43, 463791), (93, 214441), (129, 154597), (1333, 14961), (3999, 4987)]