19508940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 66044160

約数和(自身を除く): 46535220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 59, 60, 66, 90, 99, 110, 118, 132, 165, 167, 177, 180, 198, 220, 236, 295, 330, 334, 354, 396, 495, 501, 531, 590, 649, 660, 668, 708, 835, 885, 990, 1002, 1062, 1180, 1298, 1503, 1670, 1770, 1837, 1947, 1980, 2004, 2124, 2505, 2596, 2655, 3006, 3245, 3340, 3540, 3674, 3894, 5010, 5310, 5511, 5841, 6012, 6490, 7348, 7515, 7788, 9185, 9735, 9853, 10020, 10620, 11022, 11682, 12980, 15030, 16533, 18370, 19470, 19706, 22044, 23364, 27555, 29205, 29559, 30060, 33066, 36740, 38940, 39412, 49265, 55110, 58410, 59118, 66132, 82665, 88677, 98530, 108383, 110220, 116820, 118236, 147795, 165330, 177354, 197060, 216766, 295590, 325149, 330660, 354708, 433532, 443385, 541915, 591180, 650298, 886770, 975447, 1083830, 1300596, 1625745, 1773540, 1950894, 2167660, 3251490, 3901788, 4877235, 6502980, 9754470, 19508940]

約数ペア:

[(1, 19508940), (2, 9754470), (3, 6502980), (4, 4877235), (5, 3901788), (6, 3251490), (9, 2167660), (10, 1950894), (11, 1773540), (12, 1625745), (15, 1300596), (18, 1083830), (20, 975447), (22, 886770), (30, 650298), (33, 591180), (36, 541915), (44, 443385), (45, 433532), (55, 354708), (59, 330660), (60, 325149), (66, 295590), (90, 216766), (99, 197060), (110, 177354), (118, 165330), (132, 147795), (165, 118236), (167, 116820), (177, 110220), (180, 108383), (198, 98530), (220, 88677), (236, 82665), (295, 66132), (330, 59118), (334, 58410), (354, 55110), (396, 49265), (495, 39412), (501, 38940), (531, 36740), (590, 33066), (649, 30060), (660, 29559), (668, 29205), (708, 27555), (835, 23364), (885, 22044), (990, 19706), (1002, 19470), (1062, 18370), (1180, 16533), (1298, 15030), (1503, 12980), (1670, 11682), (1770, 11022), (1837, 10620), (1947, 10020), (1980, 9853), (2004, 9735), (2124, 9185), (2505, 7788), (2596, 7515), (2655, 7348), (3006, 6490), (3245, 6012), (3340, 5841), (3540, 5511), (3674, 5310), (3894, 5010)]