19404160

素因数分解:

$2^7\times 5^1\times {\mathrm{30319}}^1$

素因数の和:30338

約数の個数: 32

約数和(自身を含む): 46389600

約数和(自身を除く): 26985440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 30319, 60638, 121276, 151595, 242552, 303190, 485104, 606380, 970208, 1212760, 1940416, 2425520, 3880832, 4851040, 9702080, 19404160]

約数ペア:

[(1, 19404160), (2, 9702080), (4, 4851040), (5, 3880832), (8, 2425520), (10, 1940416), (16, 1212760), (20, 970208), (32, 606380), (40, 485104), (64, 303190), (80, 242552), (128, 151595), (160, 121276), (320, 60638), (640, 30319)]