18685095

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 36384768

約数和(自身を除く): 17699673

約数列:

[1, 3, 5, 11, 13, 15, 31, 33, 39, 55, 65, 93, 143, 155, 165, 195, 281, 341, 403, 429, 465, 715, 843, 1023, 1209, 1405, 1705, 2015, 2145, 3091, 3653, 4215, 4433, 5115, 6045, 8711, 9273, 10959, 13299, 15455, 18265, 22165, 26133, 40183, 43555, 46365, 54795, 66495, 95821, 113243, 120549, 130665, 200915, 287463, 339729, 479105, 566215, 602745, 1245673, 1437315, 1698645, 3737019, 6228365, 18685095]

約数ペア:

[(1, 18685095), (3, 6228365), (5, 3737019), (11, 1698645), (13, 1437315), (15, 1245673), (31, 602745), (33, 566215), (39, 479105), (55, 339729), (65, 287463), (93, 200915), (143, 130665), (155, 120549), (165, 113243), (195, 95821), (281, 66495), (341, 54795), (403, 46365), (429, 43555), (465, 40183), (715, 26133), (843, 22165), (1023, 18265), (1209, 15455), (1405, 13299), (1705, 10959), (2015, 9273), (2145, 8711), (3091, 6045), (3653, 5115), (4215, 4433)]