18485320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{617}}^1$

素因数の和:742

約数の個数: 64

約数和(自身を含む): 48055680

約数和(自身を除く): 29570360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 428, 535, 617, 749, 856, 1070, 1234, 1498, 2140, 2468, 2996, 3085, 3745, 4280, 4319, 4936, 5992, 6170, 7490, 8638, 12340, 14980, 17276, 21595, 24680, 29960, 34552, 43190, 66019, 86380, 132038, 172760, 264076, 330095, 462133, 528152, 660190, 924266, 1320380, 1848532, 2310665, 2640760, 3697064, 4621330, 9242660, 18485320]

約数ペア:

[(1, 18485320), (2, 9242660), (4, 4621330), (5, 3697064), (7, 2640760), (8, 2310665), (10, 1848532), (14, 1320380), (20, 924266), (28, 660190), (35, 528152), (40, 462133), (56, 330095), (70, 264076), (107, 172760), (140, 132038), (214, 86380), (280, 66019), (428, 43190), (535, 34552), (617, 29960), (749, 24680), (856, 21595), (1070, 17276), (1234, 14980), (1498, 12340), (2140, 8638), (2468, 7490), (2996, 6170), (3085, 5992), (3745, 4936), (4280, 4319)]