18883821

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:893

約数の個数: 32

約数和(自身を含む): 29828736

約数和(自身を除く): 10944915

約数列:

[1, 3, 11, 17, 33, 41, 51, 123, 187, 451, 561, 697, 821, 1353, 2091, 2463, 7667, 9031, 13957, 23001, 27093, 33661, 41871, 100983, 153527, 370271, 460581, 572237, 1110813, 1716711, 6294607, 18883821]

約数ペア:

[(1, 18883821), (3, 6294607), (11, 1716711), (17, 1110813), (33, 572237), (41, 460581), (51, 370271), (123, 153527), (187, 100983), (451, 41871), (561, 33661), (697, 27093), (821, 23001), (1353, 13957), (2091, 9031), (2463, 7667)]