18231885

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:192

約数の個数: 80

約数和(自身を含む): 38332800

約数和(自身を除く): 20100915

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 59, 63, 81, 105, 109, 135, 177, 189, 295, 315, 327, 405, 413, 531, 545, 567, 763, 885, 945, 981, 1239, 1593, 1635, 2065, 2289, 2655, 2835, 2943, 3717, 3815, 4779, 4905, 6195, 6431, 6867, 7965, 8829, 11151, 11445, 14715, 18585, 19293, 20601, 23895, 32155, 33453, 34335, 44145, 45017, 55755, 57879, 61803, 96465, 103005, 135051, 167265, 173637, 225085, 289395, 309015, 405153, 520911, 675255, 868185, 1215459, 2025765, 2604555, 3646377, 6077295, 18231885]

約数ペア:

[(1, 18231885), (3, 6077295), (5, 3646377), (7, 2604555), (9, 2025765), (15, 1215459), (21, 868185), (27, 675255), (35, 520911), (45, 405153), (59, 309015), (63, 289395), (81, 225085), (105, 173637), (109, 167265), (135, 135051), (177, 103005), (189, 96465), (295, 61803), (315, 57879), (327, 55755), (405, 45017), (413, 44145), (531, 34335), (545, 33453), (567, 32155), (763, 23895), (885, 20601), (945, 19293), (981, 18585), (1239, 14715), (1593, 11445), (1635, 11151), (2065, 8829), (2289, 7965), (2655, 6867), (2835, 6431), (2943, 6195), (3717, 4905), (3815, 4779)]