18608660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2179}}^1$

素因数の和:2256

約数の個数: 48

約数和(自身を含む): 45413760

約数和(自身を除く): 26805100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 2179, 4270, 4358, 8540, 8716, 10895, 15253, 21790, 30506, 43580, 61012, 76265, 132919, 152530, 265838, 305060, 531676, 664595, 930433, 1329190, 1860866, 2658380, 3721732, 4652165, 9304330, 18608660]

約数ペア:

[(1, 18608660), (2, 9304330), (4, 4652165), (5, 3721732), (7, 2658380), (10, 1860866), (14, 1329190), (20, 930433), (28, 664595), (35, 531676), (61, 305060), (70, 265838), (122, 152530), (140, 132919), (244, 76265), (305, 61012), (427, 43580), (610, 30506), (854, 21790), (1220, 15253), (1708, 10895), (2135, 8716), (2179, 8540), (4270, 4358)]