18639866

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1481}}^1$

素因数の和:1550

約数の個数: 32

約数和(自身を含む): 34145280

約数和(自身を除く): 15505414

約数列:

[1, 2, 7, 14, 29, 31, 58, 62, 203, 217, 406, 434, 899, 1481, 1798, 2962, 6293, 10367, 12586, 20734, 42949, 45911, 85898, 91822, 300643, 321377, 601286, 642754, 1331419, 2662838, 9319933, 18639866]

約数ペア:

[(1, 18639866), (2, 9319933), (7, 2662838), (14, 1331419), (29, 642754), (31, 601286), (58, 321377), (62, 300643), (203, 91822), (217, 85898), (406, 45911), (434, 42949), (899, 20734), (1481, 12586), (1798, 10367), (2962, 6293)]