16990418

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{6373}}^1$

素因数の和:6449

約数の個数: 16

約数和(自身を含む): 26923776

約数和(自身を除く): 9933358

約数列:

[1, 2, 31, 43, 62, 86, 1333, 2666, 6373, 12746, 197563, 274039, 395126, 548078, 8495209, 16990418]

約数ペア:

[(1, 16990418), (2, 8495209), (31, 548078), (43, 395126), (62, 274039), (86, 197563), (1333, 12746), (2666, 6373)]