18817638

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23581}}^1$

素因数の和:23612

約数の個数: 32

約数和(自身を含む): 45277440

約数和(自身を除く): 26459802

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 23581, 47162, 70743, 141486, 165067, 330134, 448039, 495201, 896078, 990402, 1344117, 2688234, 3136273, 6272546, 9408819, 18817638]

約数ペア:

[(1, 18817638), (2, 9408819), (3, 6272546), (6, 3136273), (7, 2688234), (14, 1344117), (19, 990402), (21, 896078), (38, 495201), (42, 448039), (57, 330134), (114, 165067), (133, 141486), (266, 70743), (399, 47162), (798, 23581)]