18921170030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{86111}}^1$

素因数の和:86241

約数の個数: 64

約数和(自身を含む): 40374816768

約数和(自身を除く): 21453646738

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 73, 86, 146, 215, 301, 365, 430, 511, 602, 730, 1022, 1505, 2555, 3010, 3139, 5110, 6278, 15695, 21973, 31390, 43946, 86111, 109865, 172222, 219730, 430555, 602777, 861110, 1205554, 3013885, 3702773, 6027770, 6286103, 7405546, 12572206, 18513865, 25919411, 31430515, 37027730, 44002721, 51838822, 62861030, 88005442, 129597055, 220013605, 259194110, 270302429, 440027210, 540604858, 1351512145, 1892117003, 2703024290, 3784234006, 9460585015, 18921170030]

約数ペア:

[(1, 18921170030), (2, 9460585015), (5, 3784234006), (7, 2703024290), (10, 1892117003), (14, 1351512145), (35, 540604858), (43, 440027210), (70, 270302429), (73, 259194110), (86, 220013605), (146, 129597055), (215, 88005442), (301, 62861030), (365, 51838822), (430, 44002721), (511, 37027730), (602, 31430515), (730, 25919411), (1022, 18513865), (1505, 12572206), (2555, 7405546), (3010, 6286103), (3139, 6027770), (5110, 3702773), (6278, 3013885), (15695, 1205554), (21973, 861110), (31390, 602777), (43946, 430555), (86111, 219730), (109865, 172222)]