19697814

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{15413}}^1$

素因数の和:15492

約数の個数: 24

約数和(自身を含む): 43282512

約数和(自身を除く): 23584698

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 15413, 30826, 46239, 92478, 138717, 277434, 1094323, 2188646, 3282969, 6565938, 9848907, 19697814]

約数ペア:

[(1, 19697814), (2, 9848907), (3, 6565938), (6, 3282969), (9, 2188646), (18, 1094323), (71, 277434), (142, 138717), (213, 92478), (426, 46239), (639, 30826), (1278, 15413)]