19655568

素因数分解:

$2^4\times 3^3\times {\mathrm{173}}^1\times {\mathrm{263}}^1$

素因数の和:453

約数の個数: 80

約数和(自身を含む): 56960640

約数和(自身を除く): 37305072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 173, 216, 263, 346, 432, 519, 526, 692, 789, 1038, 1052, 1384, 1557, 1578, 2076, 2104, 2367, 2768, 3114, 3156, 4152, 4208, 4671, 4734, 6228, 6312, 7101, 8304, 9342, 9468, 12456, 12624, 14202, 18684, 18936, 24912, 28404, 37368, 37872, 45499, 56808, 74736, 90998, 113616, 136497, 181996, 272994, 363992, 409491, 545988, 727984, 818982, 1091976, 1228473, 1637964, 2183952, 2456946, 3275928, 4913892, 6551856, 9827784, 19655568]

約数ペア:

[(1, 19655568), (2, 9827784), (3, 6551856), (4, 4913892), (6, 3275928), (8, 2456946), (9, 2183952), (12, 1637964), (16, 1228473), (18, 1091976), (24, 818982), (27, 727984), (36, 545988), (48, 409491), (54, 363992), (72, 272994), (108, 181996), (144, 136497), (173, 113616), (216, 90998), (263, 74736), (346, 56808), (432, 45499), (519, 37872), (526, 37368), (692, 28404), (789, 24912), (1038, 18936), (1052, 18684), (1384, 14202), (1557, 12624), (1578, 12456), (2076, 9468), (2104, 9342), (2367, 8304), (2768, 7101), (3114, 6312), (3156, 6228), (4152, 4734), (4208, 4671)]