18742995

素因数分解:

$3^4\times 5^1\times {\mathrm{46279}}^1$

素因数の和:46296

約数の個数: 20

約数和(自身を含む): 33599280

約数和(自身を除く): 14856285

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 46279, 138837, 231395, 416511, 694185, 1249533, 2082555, 3748599, 6247665, 18742995]

約数ペア:

[(1, 18742995), (3, 6247665), (5, 3748599), (9, 2082555), (15, 1249533), (27, 694185), (45, 416511), (81, 231395), (135, 138837), (405, 46279)]