19934085

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 33251328

約数和(自身を除く): 13317243

約数列:

[1, 3, 5, 15, 31, 93, 155, 163, 263, 465, 489, 789, 815, 1315, 2445, 3945, 5053, 8153, 15159, 24459, 25265, 40765, 42869, 75795, 122295, 128607, 214345, 643035, 1328939, 3986817, 6644695, 19934085]

約数ペア:

[(1, 19934085), (3, 6644695), (5, 3986817), (15, 1328939), (31, 643035), (93, 214345), (155, 128607), (163, 122295), (263, 75795), (465, 42869), (489, 40765), (789, 25265), (815, 24459), (1315, 15159), (2445, 8153), (3945, 5053)]