18884220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{10853}}^1$

素因数の和:10894

約数の個数: 48

約数和(自身を含む): 54704160

約数和(自身を除く): 35819940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 10853, 21706, 32559, 43412, 54265, 65118, 108530, 130236, 162795, 217060, 314737, 325590, 629474, 651180, 944211, 1258948, 1573685, 1888422, 3147370, 3776844, 4721055, 6294740, 9442110, 18884220]

約数ペア:

[(1, 18884220), (2, 9442110), (3, 6294740), (4, 4721055), (5, 3776844), (6, 3147370), (10, 1888422), (12, 1573685), (15, 1258948), (20, 944211), (29, 651180), (30, 629474), (58, 325590), (60, 314737), (87, 217060), (116, 162795), (145, 130236), (174, 108530), (290, 65118), (348, 54265), (435, 43412), (580, 32559), (870, 21706), (1740, 10853)]