18748005

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{11681}}^1$

素因数の和:11796

約数の個数: 16

約数和(自身を含む): 30279744

約数和(自身を除く): 11531739

約数列:

[1, 3, 5, 15, 107, 321, 535, 1605, 11681, 35043, 58405, 175215, 1249867, 3749601, 6249335, 18748005]

約数ペア:

[(1, 18748005), (3, 6249335), (5, 3749601), (15, 1249867), (107, 175215), (321, 58405), (535, 35043), (1605, 11681)]