18040078

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:448

約数の個数: 32

約数和(自身を含む): 32237568

約数和(自身を除く): 14197490

約数列:

[1, 2, 7, 14, 31, 62, 197, 211, 217, 394, 422, 434, 1379, 1477, 2758, 2954, 6107, 6541, 12214, 13082, 41567, 42749, 45787, 83134, 85498, 91574, 290969, 581938, 1288577, 2577154, 9020039, 18040078]

約数ペア:

[(1, 18040078), (2, 9020039), (7, 2577154), (14, 1288577), (31, 581938), (62, 290969), (197, 91574), (211, 85498), (217, 83134), (394, 45787), (422, 42749), (434, 41567), (1379, 13082), (1477, 12214), (2758, 6541), (2954, 6107)]