19187978

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{1303}}^1$

素因数の和:1541

約数の個数: 16

約数和(自身を含む): 29731200

約数和(自身を除く): 10543222

約数列:

[1, 2, 37, 74, 199, 398, 1303, 2606, 7363, 14726, 48211, 96422, 259297, 518594, 9593989, 19187978]

約数ペア:

[(1, 19187978), (2, 9593989), (37, 518594), (74, 259297), (199, 96422), (398, 48211), (1303, 14726), (2606, 7363)]