19861425

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{2153}}^1$

素因数の和:2210

約数の個数: 36

約数和(自身を含む): 36458604

約数和(自身を除く): 16597179

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 205, 225, 369, 615, 1025, 1845, 2153, 3075, 6459, 9225, 10765, 19377, 32295, 53825, 88273, 96885, 161475, 264819, 441365, 484425, 794457, 1324095, 2206825, 3972285, 6620475, 19861425]

約数ペア:

[(1, 19861425), (3, 6620475), (5, 3972285), (9, 2206825), (15, 1324095), (25, 794457), (41, 484425), (45, 441365), (75, 264819), (123, 161475), (205, 96885), (225, 88273), (369, 53825), (615, 32295), (1025, 19377), (1845, 10765), (2153, 9225), (3075, 6459)]