21998597917

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{277}}^1\times {\mathrm{691}}^1$

素因数の和:1273

約数の個数: 32

約数和(自身を含む): 24377886720

約数和(自身を除く): 2379288803

約数列:

[1, 19, 23, 263, 277, 437, 691, 4997, 5263, 6049, 6371, 13129, 15893, 72851, 114931, 121049, 181733, 191407, 301967, 1384169, 1675573, 3452927, 3636733, 4179859, 4402361, 31835887, 50340041, 79417321, 83644859, 956460779, 1157820943, 21998597917]

約数ペア:

[(1, 21998597917), (19, 1157820943), (23, 956460779), (263, 83644859), (277, 79417321), (437, 50340041), (691, 31835887), (4997, 4402361), (5263, 4179859), (6049, 3636733), (6371, 3452927), (13129, 1675573), (15893, 1384169), (72851, 301967), (114931, 191407), (121049, 181733)]