17991976

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:601

約数の個数: 32

約数和(自身を含む): 34848000

約数和(自身を除く): 16856024

約数列:

[1, 2, 4, 8, 47, 94, 109, 188, 218, 376, 436, 439, 872, 878, 1756, 3512, 5123, 10246, 20492, 20633, 40984, 41266, 47851, 82532, 95702, 165064, 191404, 382808, 2248997, 4497994, 8995988, 17991976]

約数ペア:

[(1, 17991976), (2, 8995988), (4, 4497994), (8, 2248997), (47, 382808), (94, 191404), (109, 165064), (188, 95702), (218, 82532), (376, 47851), (436, 41266), (439, 40984), (872, 20633), (878, 20492), (1756, 10246), (3512, 5123)]