18848465

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{439}}^1$

素因数の和:752

約数の個数: 16

約数和(自身を含む): 23485440

約数和(自身を除く): 4636975

約数列:

[1, 5, 31, 155, 277, 439, 1385, 2195, 8587, 13609, 42935, 68045, 121603, 608015, 3769693, 18848465]

約数ペア:

[(1, 18848465), (5, 3769693), (31, 608015), (155, 121603), (277, 68045), (439, 42935), (1385, 13609), (2195, 8587)]