19280464

素因数分解:

$2^4\times 7^1\times {\mathrm{172147}}^1$

素因数の和:172162

約数の個数: 20

約数和(自身を含む): 42692704

約数和(自身を除く): 23412240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 172147, 344294, 688588, 1205029, 1377176, 2410058, 2754352, 4820116, 9640232, 19280464]

約数ペア:

[(1, 19280464), (2, 9640232), (4, 4820116), (7, 2754352), (8, 2410058), (14, 1377176), (16, 1205029), (28, 688588), (56, 344294), (112, 172147)]