18395272

素因数分解:

$2^3\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1249}}^1$

素因数の和:1525

約数の個数: 32

約数和(自身を含む): 39600000

約数和(自身を除く): 21204728

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 263, 526, 1052, 1249, 1841, 2104, 2498, 3682, 4996, 7364, 8743, 9992, 14728, 17486, 34972, 69944, 328487, 656974, 1313948, 2299409, 2627896, 4598818, 9197636, 18395272]

約数ペア:

[(1, 18395272), (2, 9197636), (4, 4598818), (7, 2627896), (8, 2299409), (14, 1313948), (28, 656974), (56, 328487), (263, 69944), (526, 34972), (1052, 17486), (1249, 14728), (1841, 9992), (2104, 8743), (2498, 7364), (3682, 4996)]