18015724

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{1063}}^1$

素因数の和:1309

約数の個数: 24

約数和(自身を含む): 33367040

約数和(自身を除く): 15351316

約数列:

[1, 2, 4, 19, 38, 76, 223, 446, 892, 1063, 2126, 4237, 4252, 8474, 16948, 20197, 40394, 80788, 237049, 474098, 948196, 4503931, 9007862, 18015724]

約数ペア:

[(1, 18015724), (2, 9007862), (4, 4503931), (19, 948196), (38, 474098), (76, 237049), (223, 80788), (446, 40394), (892, 20197), (1063, 16948), (2126, 8474), (4237, 4252)]