18935712

素因数分解:

$2^5\times 3^2\times {\mathrm{37}}^1\times {\mathrm{1777}}^1$

素因数の和:1830

約数の個数: 72

約数和(自身を含む): 55334916

約数和(自身を除く): 36399204

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 72, 74, 96, 111, 144, 148, 222, 288, 296, 333, 444, 592, 666, 888, 1184, 1332, 1776, 1777, 2664, 3552, 3554, 5328, 5331, 7108, 10656, 10662, 14216, 15993, 21324, 28432, 31986, 42648, 56864, 63972, 65749, 85296, 127944, 131498, 170592, 197247, 255888, 262996, 394494, 511776, 525992, 591741, 788988, 1051984, 1183482, 1577976, 2103968, 2366964, 3155952, 4733928, 6311904, 9467856, 18935712]

約数ペア:

[(1, 18935712), (2, 9467856), (3, 6311904), (4, 4733928), (6, 3155952), (8, 2366964), (9, 2103968), (12, 1577976), (16, 1183482), (18, 1051984), (24, 788988), (32, 591741), (36, 525992), (37, 511776), (48, 394494), (72, 262996), (74, 255888), (96, 197247), (111, 170592), (144, 131498), (148, 127944), (222, 85296), (288, 65749), (296, 63972), (333, 56864), (444, 42648), (592, 31986), (666, 28432), (888, 21324), (1184, 15993), (1332, 14216), (1776, 10662), (1777, 10656), (2664, 7108), (3552, 5331), (3554, 5328)]