17812990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{521}}^1$

素因数の和:804

約数の個数: 32

約数和(自身を含む): 34727616

約数和(自身を除く): 16914626

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 263, 521, 526, 1042, 1315, 2605, 2630, 3419, 5210, 6773, 6838, 13546, 17095, 33865, 34190, 67730, 137023, 274046, 685115, 1370230, 1781299, 3562598, 8906495, 17812990]

約数ペア:

[(1, 17812990), (2, 8906495), (5, 3562598), (10, 1781299), (13, 1370230), (26, 685115), (65, 274046), (130, 137023), (263, 67730), (521, 34190), (526, 33865), (1042, 17095), (1315, 13546), (2605, 6838), (2630, 6773), (3419, 5210)]