18117680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{32353}}^1$

素因数の和:32373

約数の個数: 40

約数和(自身を含む): 48142752

約数和(自身を除く): 30025072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 32353, 64706, 129412, 161765, 226471, 258824, 323530, 452942, 517648, 647060, 905884, 1132355, 1294120, 1811768, 2264710, 2588240, 3623536, 4529420, 9058840, 18117680]

約数ペア:

[(1, 18117680), (2, 9058840), (4, 4529420), (5, 3623536), (7, 2588240), (8, 2264710), (10, 1811768), (14, 1294120), (16, 1132355), (20, 905884), (28, 647060), (35, 517648), (40, 452942), (56, 323530), (70, 258824), (80, 226471), (112, 161765), (140, 129412), (280, 64706), (560, 32353)]