18947712

素因数分解:

$2^7\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:103

約数の個数: 192

約数和(自身を含む): 62791200

約数和(自身を除く): 43843488

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 49, 53, 56, 57, 64, 76, 84, 96, 98, 106, 112, 114, 128, 133, 147, 152, 159, 168, 192, 196, 212, 224, 228, 266, 294, 304, 318, 336, 371, 384, 392, 399, 424, 448, 456, 532, 588, 608, 636, 672, 742, 784, 798, 848, 896, 912, 931, 1007, 1064, 1113, 1176, 1216, 1272, 1344, 1484, 1568, 1596, 1696, 1824, 1862, 2014, 2128, 2226, 2352, 2432, 2544, 2597, 2688, 2793, 2968, 3021, 3136, 3192, 3392, 3648, 3724, 4028, 4256, 4452, 4704, 5088, 5194, 5586, 5936, 6042, 6272, 6384, 6784, 7049, 7296, 7448, 7791, 8056, 8512, 8904, 9408, 10176, 10388, 11172, 11872, 12084, 12768, 14098, 14896, 15582, 16112, 17024, 17808, 18816, 20352, 20776, 21147, 22344, 23744, 24168, 25536, 28196, 29792, 31164, 32224, 35616, 41552, 42294, 44688, 47488, 48336, 49343, 51072, 56392, 59584, 62328, 64448, 71232, 83104, 84588, 89376, 96672, 98686, 112784, 119168, 124656, 128896, 142464, 148029, 166208, 169176, 178752, 193344, 197372, 225568, 249312, 296058, 332416, 338352, 357504, 386688, 394744, 451136, 498624, 592116, 676704, 789488, 902272, 997248, 1184232, 1353408, 1578976, 2368464, 2706816, 3157952, 4736928, 6315904, 9473856, 18947712]

約数ペア:

[(1, 18947712), (2, 9473856), (3, 6315904), (4, 4736928), (6, 3157952), (7, 2706816), (8, 2368464), (12, 1578976), (14, 1353408), (16, 1184232), (19, 997248), (21, 902272), (24, 789488), (28, 676704), (32, 592116), (38, 498624), (42, 451136), (48, 394744), (49, 386688), (53, 357504), (56, 338352), (57, 332416), (64, 296058), (76, 249312), (84, 225568), (96, 197372), (98, 193344), (106, 178752), (112, 169176), (114, 166208), (128, 148029), (133, 142464), (147, 128896), (152, 124656), (159, 119168), (168, 112784), (192, 98686), (196, 96672), (212, 89376), (224, 84588), (228, 83104), (266, 71232), (294, 64448), (304, 62328), (318, 59584), (336, 56392), (371, 51072), (384, 49343), (392, 48336), (399, 47488), (424, 44688), (448, 42294), (456, 41552), (532, 35616), (588, 32224), (608, 31164), (636, 29792), (672, 28196), (742, 25536), (784, 24168), (798, 23744), (848, 22344), (896, 21147), (912, 20776), (931, 20352), (1007, 18816), (1064, 17808), (1113, 17024), (1176, 16112), (1216, 15582), (1272, 14896), (1344, 14098), (1484, 12768), (1568, 12084), (1596, 11872), (1696, 11172), (1824, 10388), (1862, 10176), (2014, 9408), (2128, 8904), (2226, 8512), (2352, 8056), (2432, 7791), (2544, 7448), (2597, 7296), (2688, 7049), (2793, 6784), (2968, 6384), (3021, 6272), (3136, 6042), (3192, 5936), (3392, 5586), (3648, 5194), (3724, 5088), (4028, 4704), (4256, 4452)]