18706660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3259}}^1$

素因数の和:3316

約数の個数: 48

約数和(自身を含む): 46005120

約数和(自身を除く): 27298460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 3259, 5740, 6518, 13036, 16295, 22813, 32590, 45626, 65180, 91252, 114065, 133619, 228130, 267238, 456260, 534476, 668095, 935333, 1336190, 1870666, 2672380, 3741332, 4676665, 9353330, 18706660]

約数ペア:

[(1, 18706660), (2, 9353330), (4, 4676665), (5, 3741332), (7, 2672380), (10, 1870666), (14, 1336190), (20, 935333), (28, 668095), (35, 534476), (41, 456260), (70, 267238), (82, 228130), (140, 133619), (164, 114065), (205, 91252), (287, 65180), (410, 45626), (574, 32590), (820, 22813), (1148, 16295), (1435, 13036), (2870, 6518), (3259, 5740)]