18928545

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{26849}}^1$

素因数の和:26904

約数の個数: 16

約数和(自身を含む): 30931200

約数和(自身を除く): 12002655

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 26849, 80547, 134245, 402735, 1261903, 3785709, 6309515, 18928545]

約数ペア:

[(1, 18928545), (3, 6309515), (5, 3785709), (15, 1261903), (47, 402735), (141, 134245), (235, 80547), (705, 26849)]