18845640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4759}}^1$

素因数の和:4787

約数の個数: 96

約数和(自身を含む): 66830400

約数和(自身を除く): 47984760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 4759, 9518, 14277, 19036, 23795, 28554, 38072, 42831, 47590, 52349, 57108, 71385, 85662, 95180, 104698, 114216, 142770, 157047, 171324, 190360, 209396, 214155, 261745, 285540, 314094, 342648, 418792, 428310, 471141, 523490, 571080, 628188, 785235, 856620, 942282, 1046980, 1256376, 1570470, 1713240, 1884564, 2093960, 2355705, 3140940, 3769128, 4711410, 6281880, 9422820, 18845640]

約数ペア:

[(1, 18845640), (2, 9422820), (3, 6281880), (4, 4711410), (5, 3769128), (6, 3140940), (8, 2355705), (9, 2093960), (10, 1884564), (11, 1713240), (12, 1570470), (15, 1256376), (18, 1046980), (20, 942282), (22, 856620), (24, 785235), (30, 628188), (33, 571080), (36, 523490), (40, 471141), (44, 428310), (45, 418792), (55, 342648), (60, 314094), (66, 285540), (72, 261745), (88, 214155), (90, 209396), (99, 190360), (110, 171324), (120, 157047), (132, 142770), (165, 114216), (180, 104698), (198, 95180), (220, 85662), (264, 71385), (330, 57108), (360, 52349), (396, 47590), (440, 42831), (495, 38072), (660, 28554), (792, 23795), (990, 19036), (1320, 14277), (1980, 9518), (3960, 4759)]