19729906

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{863}}^1$

素因数の和:966

約数の個数: 32

約数和(自身を含む): 35831808

約数和(自身を除く): 16101902

約数列:

[1, 2, 7, 14, 23, 46, 71, 142, 161, 322, 497, 863, 994, 1633, 1726, 3266, 6041, 11431, 12082, 19849, 22862, 39698, 61273, 122546, 138943, 277886, 428911, 857822, 1409279, 2818558, 9864953, 19729906]

約数ペア:

[(1, 19729906), (2, 9864953), (7, 2818558), (14, 1409279), (23, 857822), (46, 428911), (71, 277886), (142, 138943), (161, 122546), (322, 61273), (497, 39698), (863, 22862), (994, 19849), (1633, 12082), (1726, 11431), (3266, 6041)]