18641140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2833}}^1$

素因数の和:2896

約数の個数: 48

約数和(自身を含む): 45706752

約数和(自身を除く): 27065612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 2833, 3290, 5666, 6580, 11332, 14165, 19831, 28330, 39662, 56660, 79324, 99155, 133151, 198310, 266302, 396620, 532604, 665755, 932057, 1331510, 1864114, 2663020, 3728228, 4660285, 9320570, 18641140]

約数ペア:

[(1, 18641140), (2, 9320570), (4, 4660285), (5, 3728228), (7, 2663020), (10, 1864114), (14, 1331510), (20, 932057), (28, 665755), (35, 532604), (47, 396620), (70, 266302), (94, 198310), (140, 133151), (188, 99155), (235, 79324), (329, 56660), (470, 39662), (658, 28330), (940, 19831), (1316, 14165), (1645, 11332), (2833, 6580), (3290, 5666)]