19855969

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{6491}}^1$

素因数の和:6540

約数の個数: 16

約数和(自身を含む): 24929280

約数和(自身を除く): 5073311

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 6491, 45437, 123329, 149293, 863303, 1045051, 2836567, 19855969]

約数ペア:

[(1, 19855969), (7, 2836567), (19, 1045051), (23, 863303), (133, 149293), (161, 123329), (437, 45437), (3059, 6491)]