18861430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1187}}^1$

素因数の和:1428

約数の個数: 32

約数和(自身を含む): 39004416

約数和(自身を除く): 20142986

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 227, 454, 1135, 1187, 1589, 2270, 2374, 3178, 5935, 7945, 8309, 11870, 15890, 16618, 41545, 83090, 269449, 538898, 1347245, 1886143, 2694490, 3772286, 9430715, 18861430]

約数ペア:

[(1, 18861430), (2, 9430715), (5, 3772286), (7, 2694490), (10, 1886143), (14, 1347245), (35, 538898), (70, 269449), (227, 83090), (454, 41545), (1135, 16618), (1187, 15890), (1589, 11870), (2270, 8309), (2374, 7945), (3178, 5935)]