19807942

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{1063}}^1$

素因数の和:1105

約数の個数: 32

約数和(自身を含む): 37384704

約数和(自身を除く): 17576762

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1063, 1331, 1694, 2126, 2662, 7441, 9317, 11693, 14882, 18634, 23386, 81851, 128623, 163702, 257246, 900361, 1414853, 1800722, 2829706, 9903971, 19807942]

約数ペア:

[(1, 19807942), (2, 9903971), (7, 2829706), (11, 1800722), (14, 1414853), (22, 900361), (77, 257246), (121, 163702), (154, 128623), (242, 81851), (847, 23386), (1063, 18634), (1331, 14882), (1694, 11693), (2126, 9317), (2662, 7441)]