18870552

素因数分解:

$2^3\times 3^2\times {\mathrm{149}}^1\times {\mathrm{1759}}^1$

素因数の和:1920

約数の個数: 48

約数和(自身を含む): 51480000

約数和(自身を除く): 32609448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 149, 298, 447, 596, 894, 1192, 1341, 1759, 1788, 2682, 3518, 3576, 5277, 5364, 7036, 10554, 10728, 14072, 15831, 21108, 31662, 42216, 63324, 126648, 262091, 524182, 786273, 1048364, 1572546, 2096728, 2358819, 3145092, 4717638, 6290184, 9435276, 18870552]

約数ペア:

[(1, 18870552), (2, 9435276), (3, 6290184), (4, 4717638), (6, 3145092), (8, 2358819), (9, 2096728), (12, 1572546), (18, 1048364), (24, 786273), (36, 524182), (72, 262091), (149, 126648), (298, 63324), (447, 42216), (596, 31662), (894, 21108), (1192, 15831), (1341, 14072), (1759, 10728), (1788, 10554), (2682, 7036), (3518, 5364), (3576, 5277)]