19118385

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2971}}^1$

素因数の和:3006

約数の個数: 48

約数和(自身を含む): 38945088

約数和(自身を除く): 19826703

約数列:

[1, 3, 5, 9, 11, 13, 15, 33, 39, 45, 55, 65, 99, 117, 143, 165, 195, 429, 495, 585, 715, 1287, 2145, 2971, 6435, 8913, 14855, 26739, 32681, 38623, 44565, 98043, 115869, 133695, 163405, 193115, 294129, 347607, 424853, 490215, 579345, 1274559, 1470645, 1738035, 2124265, 3823677, 6372795, 19118385]

約数ペア:

[(1, 19118385), (3, 6372795), (5, 3823677), (9, 2124265), (11, 1738035), (13, 1470645), (15, 1274559), (33, 579345), (39, 490215), (45, 424853), (55, 347607), (65, 294129), (99, 193115), (117, 163405), (143, 133695), (165, 115869), (195, 98043), (429, 44565), (495, 38623), (585, 32681), (715, 26739), (1287, 14855), (2145, 8913), (2971, 6435)]