19826391

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^2$

素因数の和:124

約数の個数: 36

約数和(自身を含む): 30751224

約数和(自身を除く): 10924833

約数列:

[1, 3, 13, 23, 31, 39, 69, 93, 299, 403, 529, 713, 897, 961, 1209, 1587, 2139, 2883, 6877, 9269, 12493, 16399, 20631, 22103, 27807, 37479, 49197, 66309, 213187, 287339, 508369, 639561, 862017, 1525107, 6608797, 19826391]

約数ペア:

[(1, 19826391), (3, 6608797), (13, 1525107), (23, 862017), (31, 639561), (39, 508369), (69, 287339), (93, 213187), (299, 66309), (403, 49197), (529, 37479), (713, 27807), (897, 22103), (961, 20631), (1209, 16399), (1587, 12493), (2139, 9269), (2883, 6877)]