18663936

素因数分解:

$2^9\times 3^1\times {\mathrm{29}}^1\times {\mathrm{419}}^1$

素因数の和:469

約数の個数: 80

約数和(自身を含む): 51559200

約数和(自身を除く): 32895264

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 64, 87, 96, 116, 128, 174, 192, 232, 256, 348, 384, 419, 464, 512, 696, 768, 838, 928, 1257, 1392, 1536, 1676, 1856, 2514, 2784, 3352, 3712, 5028, 5568, 6704, 7424, 10056, 11136, 12151, 13408, 14848, 20112, 22272, 24302, 26816, 36453, 40224, 44544, 48604, 53632, 72906, 80448, 97208, 107264, 145812, 160896, 194416, 214528, 291624, 321792, 388832, 583248, 643584, 777664, 1166496, 1555328, 2332992, 3110656, 4665984, 6221312, 9331968, 18663936]

約数ペア:

[(1, 18663936), (2, 9331968), (3, 6221312), (4, 4665984), (6, 3110656), (8, 2332992), (12, 1555328), (16, 1166496), (24, 777664), (29, 643584), (32, 583248), (48, 388832), (58, 321792), (64, 291624), (87, 214528), (96, 194416), (116, 160896), (128, 145812), (174, 107264), (192, 97208), (232, 80448), (256, 72906), (348, 53632), (384, 48604), (419, 44544), (464, 40224), (512, 36453), (696, 26816), (768, 24302), (838, 22272), (928, 20112), (1257, 14848), (1392, 13408), (1536, 12151), (1676, 11136), (1856, 10056), (2514, 7424), (2784, 6704), (3352, 5568), (3712, 5028)]