18792621

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:366

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 10237779

約数列:

[1, 3, 9, 27, 47, 59, 141, 177, 251, 423, 531, 753, 1269, 1593, 2259, 2773, 6777, 8319, 11797, 14809, 24957, 35391, 44427, 74871, 106173, 133281, 318519, 399843, 696023, 2088069, 6264207, 18792621]

約数ペア:

[(1, 18792621), (3, 6264207), (9, 2088069), (27, 696023), (47, 399843), (59, 318519), (141, 133281), (177, 106173), (251, 74871), (423, 44427), (531, 35391), (753, 24957), (1269, 14809), (1593, 11797), (2259, 8319), (2773, 6777)]