18420448

素因数分解:

$2^5\times {\mathrm{31}}^2\times {\mathrm{599}}^1$

素因数の和:671

約数の個数: 36

約数和(自身を含む): 37535400

約数和(自身を除く): 19114952

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 599, 961, 992, 1198, 1922, 2396, 3844, 4792, 7688, 9584, 15376, 18569, 19168, 30752, 37138, 74276, 148552, 297104, 575639, 594208, 1151278, 2302556, 4605112, 9210224, 18420448]

約数ペア:

[(1, 18420448), (2, 9210224), (4, 4605112), (8, 2302556), (16, 1151278), (31, 594208), (32, 575639), (62, 297104), (124, 148552), (248, 74276), (496, 37138), (599, 30752), (961, 19168), (992, 18569), (1198, 15376), (1922, 9584), (2396, 7688), (3844, 4792)]