19380320

素因数分解:

$2^5\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2053}}^1$

素因数の和:2127

約数の個数: 48

約数和(自身を含む): 46584720

約数和(自身を除く): 27204400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 80, 118, 160, 236, 295, 472, 590, 944, 1180, 1888, 2053, 2360, 4106, 4720, 8212, 9440, 10265, 16424, 20530, 32848, 41060, 65696, 82120, 121127, 164240, 242254, 328480, 484508, 605635, 969016, 1211270, 1938032, 2422540, 3876064, 4845080, 9690160, 19380320]

約数ペア:

[(1, 19380320), (2, 9690160), (4, 4845080), (5, 3876064), (8, 2422540), (10, 1938032), (16, 1211270), (20, 969016), (32, 605635), (40, 484508), (59, 328480), (80, 242254), (118, 164240), (160, 121127), (236, 82120), (295, 65696), (472, 41060), (590, 32848), (944, 20530), (1180, 16424), (1888, 10265), (2053, 9440), (2360, 8212), (4106, 4720)]