18027808

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 37800000

約数和(自身を除く): 19772192

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 149, 152, 199, 298, 304, 398, 596, 608, 796, 1192, 1592, 2384, 2831, 3184, 3781, 4768, 5662, 6368, 7562, 11324, 15124, 22648, 29651, 30248, 45296, 59302, 60496, 90592, 118604, 120992, 237208, 474416, 563369, 948832, 1126738, 2253476, 4506952, 9013904, 18027808]

約数ペア:

[(1, 18027808), (2, 9013904), (4, 4506952), (8, 2253476), (16, 1126738), (19, 948832), (32, 563369), (38, 474416), (76, 237208), (149, 120992), (152, 118604), (199, 90592), (298, 60496), (304, 59302), (398, 45296), (596, 30248), (608, 29651), (796, 22648), (1192, 15124), (1592, 11324), (2384, 7562), (2831, 6368), (3184, 5662), (3781, 4768)]