19403480

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10321}}^1$

素因数の和:10379

約数の個数: 32

約数和(自身を含む): 44591040

約数和(自身を除く): 25187560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 10321, 20642, 41284, 51605, 82568, 103210, 206420, 412840, 485087, 970174, 1940348, 2425435, 3880696, 4850870, 9701740, 19403480]

約数ペア:

[(1, 19403480), (2, 9701740), (4, 4850870), (5, 3880696), (8, 2425435), (10, 1940348), (20, 970174), (40, 485087), (47, 412840), (94, 206420), (188, 103210), (235, 82568), (376, 51605), (470, 41284), (940, 20642), (1880, 10321)]