18020886

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{499}}^1$

素因数の和:980

約数の個数: 32

約数和(自身を含む): 38976000

約数和(自身を除く): 20955114

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 463, 499, 926, 998, 1389, 1497, 2778, 2994, 6019, 6487, 12038, 12974, 18057, 19461, 36114, 38922, 231037, 462074, 693111, 1386222, 3003481, 6006962, 9010443, 18020886]

約数ペア:

[(1, 18020886), (2, 9010443), (3, 6006962), (6, 3003481), (13, 1386222), (26, 693111), (39, 462074), (78, 231037), (463, 38922), (499, 36114), (926, 19461), (998, 18057), (1389, 12974), (1497, 12038), (2778, 6487), (2994, 6019)]