18439456

素因数分解:

$2^5\times 7^1\times {\mathrm{263}}^1\times {\mathrm{313}}^1$

素因数の和:593

約数の個数: 48

約数和(自身を含む): 41779584

約数和(自身を除く): 23340128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 263, 313, 526, 626, 1052, 1252, 1841, 2104, 2191, 2504, 3682, 4208, 4382, 5008, 7364, 8416, 8764, 10016, 14728, 17528, 29456, 35056, 58912, 70112, 82319, 164638, 329276, 576233, 658552, 1152466, 1317104, 2304932, 2634208, 4609864, 9219728, 18439456]

約数ペア:

[(1, 18439456), (2, 9219728), (4, 4609864), (7, 2634208), (8, 2304932), (14, 1317104), (16, 1152466), (28, 658552), (32, 576233), (56, 329276), (112, 164638), (224, 82319), (263, 70112), (313, 58912), (526, 35056), (626, 29456), (1052, 17528), (1252, 14728), (1841, 10016), (2104, 8764), (2191, 8416), (2504, 7364), (3682, 5008), (4208, 4382)]