19895616

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{2657}}^1$

素因数の和:2688

約数の個数: 84

約数和(自身を含む): 61437012

約数和(自身を除く): 41541396

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 144, 156, 192, 208, 234, 288, 312, 416, 468, 576, 624, 832, 936, 1248, 1872, 2496, 2657, 3744, 5314, 7488, 7971, 10628, 15942, 21256, 23913, 31884, 34541, 42512, 47826, 63768, 69082, 85024, 95652, 103623, 127536, 138164, 170048, 191304, 207246, 255072, 276328, 310869, 382608, 414492, 510144, 552656, 621738, 765216, 828984, 1105312, 1243476, 1530432, 1657968, 2210624, 2486952, 3315936, 4973904, 6631872, 9947808, 19895616]

約数ペア:

[(1, 19895616), (2, 9947808), (3, 6631872), (4, 4973904), (6, 3315936), (8, 2486952), (9, 2210624), (12, 1657968), (13, 1530432), (16, 1243476), (18, 1105312), (24, 828984), (26, 765216), (32, 621738), (36, 552656), (39, 510144), (48, 414492), (52, 382608), (64, 310869), (72, 276328), (78, 255072), (96, 207246), (104, 191304), (117, 170048), (144, 138164), (156, 127536), (192, 103623), (208, 95652), (234, 85024), (288, 69082), (312, 63768), (416, 47826), (468, 42512), (576, 34541), (624, 31884), (832, 23913), (936, 21256), (1248, 15942), (1872, 10628), (2496, 7971), (2657, 7488), (3744, 5314)]