19916445

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{12409}}^1$

素因数の和:12524

約数の個数: 16

約数和(自身を含む): 32166720

約数和(自身を除く): 12250275

約数列:

[1, 3, 5, 15, 107, 321, 535, 1605, 12409, 37227, 62045, 186135, 1327763, 3983289, 6638815, 19916445]

約数ペア:

[(1, 19916445), (3, 6638815), (5, 3983289), (15, 1327763), (107, 186135), (321, 62045), (535, 37227), (1605, 12409)]