18133885

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:146

約数の個数: 64

約数和(自身を含む): 29767680

約数和(自身を除く): 11633795

約数列:

[1, 5, 7, 11, 19, 35, 37, 55, 67, 77, 95, 133, 185, 209, 259, 335, 385, 407, 469, 665, 703, 737, 1045, 1273, 1295, 1463, 2035, 2345, 2479, 2849, 3515, 3685, 4921, 5159, 6365, 7315, 7733, 8911, 12395, 14003, 14245, 17353, 24605, 25795, 27269, 38665, 44555, 47101, 54131, 70015, 86765, 98021, 136345, 190883, 235505, 270655, 329707, 490105, 518111, 954415, 1648535, 2590555, 3626777, 18133885]

約数ペア:

[(1, 18133885), (5, 3626777), (7, 2590555), (11, 1648535), (19, 954415), (35, 518111), (37, 490105), (55, 329707), (67, 270655), (77, 235505), (95, 190883), (133, 136345), (185, 98021), (209, 86765), (259, 70015), (335, 54131), (385, 47101), (407, 44555), (469, 38665), (665, 27269), (703, 25795), (737, 24605), (1045, 17353), (1273, 14245), (1295, 14003), (1463, 12395), (2035, 8911), (2345, 7733), (2479, 7315), (2849, 6365), (3515, 5159), (3685, 4921)]