19611855

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2741}}^1$

素因数の和:2808

約数の個数: 32

約数和(自身を含む): 35536320

約数和(自身を除く): 15924465

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 135, 159, 265, 477, 795, 1431, 2385, 2741, 7155, 8223, 13705, 24669, 41115, 74007, 123345, 145273, 370035, 435819, 726365, 1307457, 2179095, 3922371, 6537285, 19611855]

約数ペア:

[(1, 19611855), (3, 6537285), (5, 3922371), (9, 2179095), (15, 1307457), (27, 726365), (45, 435819), (53, 370035), (135, 145273), (159, 123345), (265, 74007), (477, 41115), (795, 24669), (1431, 13705), (2385, 8223), (2741, 7155)]