18418016

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:351

約数の個数: 48

約数和(自身を含む): 38102400

約数和(自身を除く): 19684384

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 89, 116, 178, 223, 232, 356, 446, 464, 712, 892, 928, 1424, 1784, 2581, 2848, 3568, 5162, 6467, 7136, 10324, 12934, 19847, 20648, 25868, 39694, 41296, 51736, 79388, 82592, 103472, 158776, 206944, 317552, 575563, 635104, 1151126, 2302252, 4604504, 9209008, 18418016]

約数ペア:

[(1, 18418016), (2, 9209008), (4, 4604504), (8, 2302252), (16, 1151126), (29, 635104), (32, 575563), (58, 317552), (89, 206944), (116, 158776), (178, 103472), (223, 82592), (232, 79388), (356, 51736), (446, 41296), (464, 39694), (712, 25868), (892, 20648), (928, 19847), (1424, 12934), (1784, 10324), (2581, 7136), (2848, 6467), (3568, 5162)]