19805880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{165049}}^1$

素因数の和:165063

約数の個数: 32

約数和(自身を含む): 59418000

約数和(自身を除く): 39612120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 165049, 330098, 495147, 660196, 825245, 990294, 1320392, 1650490, 1980588, 2475735, 3300980, 3961176, 4951470, 6601960, 9902940, 19805880]

約数ペア:

[(1, 19805880), (2, 9902940), (3, 6601960), (4, 4951470), (5, 3961176), (6, 3300980), (8, 2475735), (10, 1980588), (12, 1650490), (15, 1320392), (20, 990294), (24, 825245), (30, 660196), (40, 495147), (60, 330098), (120, 165049)]