18689584

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{3529}}^1$

素因数の和:3868

約数の個数: 20

約数和(自身を含む): 36330760

約数和(自身を除く): 17641176

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 3529, 5296, 7058, 14116, 28232, 56464, 1168099, 2336198, 4672396, 9344792, 18689584]

約数ペア:

[(1, 18689584), (2, 9344792), (4, 4672396), (8, 2336198), (16, 1168099), (331, 56464), (662, 28232), (1324, 14116), (2648, 7058), (3529, 5296)]