181971968

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:285

約数の個数: 88

約数和(自身を含む): 393024000

約数和(自身を除く): 211052032

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 64, 76, 94, 128, 152, 188, 199, 256, 304, 376, 398, 512, 608, 752, 796, 893, 1024, 1216, 1504, 1592, 1786, 2432, 3008, 3184, 3572, 3781, 4864, 6016, 6368, 7144, 7562, 9353, 9728, 12032, 12736, 14288, 15124, 18706, 19456, 24064, 25472, 28576, 30248, 37412, 48128, 50944, 57152, 60496, 74824, 101888, 114304, 120992, 149648, 177707, 203776, 228608, 241984, 299296, 355414, 457216, 483968, 598592, 710828, 914432, 967936, 1197184, 1421656, 1935872, 2394368, 2843312, 3871744, 4788736, 5686624, 9577472, 11373248, 22746496, 45492992, 90985984, 181971968]

約数ペア:

[(1, 181971968), (2, 90985984), (4, 45492992), (8, 22746496), (16, 11373248), (19, 9577472), (32, 5686624), (38, 4788736), (47, 3871744), (64, 2843312), (76, 2394368), (94, 1935872), (128, 1421656), (152, 1197184), (188, 967936), (199, 914432), (256, 710828), (304, 598592), (376, 483968), (398, 457216), (512, 355414), (608, 299296), (752, 241984), (796, 228608), (893, 203776), (1024, 177707), (1216, 149648), (1504, 120992), (1592, 114304), (1786, 101888), (2432, 74824), (3008, 60496), (3184, 57152), (3572, 50944), (3781, 48128), (4864, 37412), (6016, 30248), (6368, 28576), (7144, 25472), (7562, 24064), (9353, 19456), (9728, 18706), (12032, 15124), (12736, 14288)]