18386872

素因数分解:

$2^3\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1049}}^1$

素因数の和:1375

約数の個数: 32

約数和(自身を含む): 39564000

約数和(自身を除く): 21177128

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 313, 626, 1049, 1252, 2098, 2191, 2504, 4196, 4382, 7343, 8392, 8764, 14686, 17528, 29372, 58744, 328337, 656674, 1313348, 2298359, 2626696, 4596718, 9193436, 18386872]

約数ペア:

[(1, 18386872), (2, 9193436), (4, 4596718), (7, 2626696), (8, 2298359), (14, 1313348), (28, 656674), (56, 328337), (313, 58744), (626, 29372), (1049, 17528), (1252, 14686), (2098, 8764), (2191, 8392), (2504, 7343), (4196, 4382)]