19983782

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5779}}^1$

素因数の和:5820

約数の個数: 32

約数和(自身を含む): 38841600

約数和(自身を除く): 18857818

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 5779, 11558, 40453, 75127, 80906, 109801, 150254, 219602, 525889, 768607, 1051778, 1427413, 1537214, 2854826, 9991891, 19983782]

約数ペア:

[(1, 19983782), (2, 9991891), (7, 2854826), (13, 1537214), (14, 1427413), (19, 1051778), (26, 768607), (38, 525889), (91, 219602), (133, 150254), (182, 109801), (247, 80906), (266, 75127), (494, 40453), (1729, 11558), (3458, 5779)]