19817150

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:293

約数の個数: 48

約数和(自身を含む): 38836800

約数和(自身を除く): 19019650

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 79, 145, 158, 173, 290, 346, 395, 725, 790, 865, 1450, 1730, 1975, 2291, 3950, 4325, 4582, 5017, 8650, 10034, 11455, 13667, 22910, 25085, 27334, 50170, 57275, 68335, 114550, 125425, 136670, 250850, 341675, 396343, 683350, 792686, 1981715, 3963430, 9908575, 19817150]

約数ペア:

[(1, 19817150), (2, 9908575), (5, 3963430), (10, 1981715), (25, 792686), (29, 683350), (50, 396343), (58, 341675), (79, 250850), (145, 136670), (158, 125425), (173, 114550), (290, 68335), (346, 57275), (395, 50170), (725, 27334), (790, 25085), (865, 22910), (1450, 13667), (1730, 11455), (1975, 10034), (2291, 8650), (3950, 5017), (4325, 4582)]