18415978

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{69233}}^1$

素因数の和:69261

約数の個数: 16

約数和(自身を含む): 33232320

約数和(自身を除く): 14816342

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 69233, 138466, 484631, 969262, 1315427, 2630854, 9207989, 18415978]

約数ペア:

[(1, 18415978), (2, 9207989), (7, 2630854), (14, 1315427), (19, 969262), (38, 484631), (133, 138466), (266, 69233)]