18348935

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 25159680

約数和(自身を除く): 6810745

約数列:

[1, 5, 11, 41, 55, 79, 103, 205, 395, 451, 515, 869, 1133, 2255, 3239, 4223, 4345, 5665, 8137, 16195, 21115, 35629, 40685, 46453, 89507, 178145, 232265, 333617, 447535, 1668085, 3669787, 18348935]

約数ペア:

[(1, 18348935), (5, 3669787), (11, 1668085), (41, 447535), (55, 333617), (79, 232265), (103, 178145), (205, 89507), (395, 46453), (451, 40685), (515, 35629), (869, 21115), (1133, 16195), (2255, 8137), (3239, 5665), (4223, 4345)]