19398912

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:128

約数の個数: 144

約数和(自身を含む): 58376640

約数和(自身を除く): 38977728

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 29, 32, 39, 48, 52, 58, 64, 67, 78, 87, 96, 104, 116, 128, 134, 156, 174, 192, 201, 208, 232, 256, 268, 312, 348, 377, 384, 402, 416, 464, 536, 624, 696, 754, 768, 804, 832, 871, 928, 1072, 1131, 1248, 1392, 1508, 1608, 1664, 1742, 1856, 1943, 2144, 2262, 2496, 2613, 2784, 3016, 3216, 3328, 3484, 3712, 3886, 4288, 4524, 4992, 5226, 5568, 5829, 6032, 6432, 6968, 7424, 7772, 8576, 9048, 9984, 10452, 11136, 11658, 12064, 12864, 13936, 15544, 17152, 18096, 20904, 22272, 23316, 24128, 25259, 25728, 27872, 31088, 36192, 41808, 46632, 48256, 50518, 51456, 55744, 62176, 72384, 75777, 83616, 93264, 96512, 101036, 111488, 124352, 144768, 151554, 167232, 186528, 202072, 222976, 248704, 289536, 303108, 334464, 373056, 404144, 497408, 606216, 668928, 746112, 808288, 1212432, 1492224, 1616576, 2424864, 3233152, 4849728, 6466304, 9699456, 19398912]

約数ペア:

[(1, 19398912), (2, 9699456), (3, 6466304), (4, 4849728), (6, 3233152), (8, 2424864), (12, 1616576), (13, 1492224), (16, 1212432), (24, 808288), (26, 746112), (29, 668928), (32, 606216), (39, 497408), (48, 404144), (52, 373056), (58, 334464), (64, 303108), (67, 289536), (78, 248704), (87, 222976), (96, 202072), (104, 186528), (116, 167232), (128, 151554), (134, 144768), (156, 124352), (174, 111488), (192, 101036), (201, 96512), (208, 93264), (232, 83616), (256, 75777), (268, 72384), (312, 62176), (348, 55744), (377, 51456), (384, 50518), (402, 48256), (416, 46632), (464, 41808), (536, 36192), (624, 31088), (696, 27872), (754, 25728), (768, 25259), (804, 24128), (832, 23316), (871, 22272), (928, 20904), (1072, 18096), (1131, 17152), (1248, 15544), (1392, 13936), (1508, 12864), (1608, 12064), (1664, 11658), (1742, 11136), (1856, 10452), (1943, 9984), (2144, 9048), (2262, 8576), (2496, 7772), (2613, 7424), (2784, 6968), (3016, 6432), (3216, 6032), (3328, 5829), (3484, 5568), (3712, 5226), (3886, 4992), (4288, 4524)]