18699840

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:217

約数の個数: 168

約数和(自身を含む): 66251328

約数和(自身を除く): 47551488

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 64, 72, 80, 86, 90, 96, 120, 129, 144, 151, 160, 172, 180, 192, 215, 240, 258, 288, 302, 320, 344, 360, 387, 430, 453, 480, 516, 576, 604, 645, 688, 720, 755, 774, 860, 906, 960, 1032, 1208, 1290, 1359, 1376, 1440, 1510, 1548, 1720, 1812, 1935, 2064, 2265, 2416, 2580, 2718, 2752, 2880, 3020, 3096, 3440, 3624, 3870, 4128, 4530, 4832, 5160, 5436, 6040, 6192, 6493, 6795, 6880, 7248, 7740, 8256, 9060, 9664, 10320, 10872, 12080, 12384, 12986, 13590, 13760, 14496, 15480, 18120, 19479, 20640, 21744, 24160, 24768, 25972, 27180, 28992, 30960, 32465, 36240, 38958, 41280, 43488, 48320, 51944, 54360, 58437, 61920, 64930, 72480, 77916, 86976, 97395, 103888, 108720, 116874, 123840, 129860, 144960, 155832, 194790, 207776, 217440, 233748, 259720, 292185, 311664, 389580, 415552, 434880, 467496, 519440, 584370, 623328, 779160, 934992, 1038880, 1168740, 1246656, 1558320, 1869984, 2077760, 2337480, 3116640, 3739968, 4674960, 6233280, 9349920, 18699840]

約数ペア:

[(1, 18699840), (2, 9349920), (3, 6233280), (4, 4674960), (5, 3739968), (6, 3116640), (8, 2337480), (9, 2077760), (10, 1869984), (12, 1558320), (15, 1246656), (16, 1168740), (18, 1038880), (20, 934992), (24, 779160), (30, 623328), (32, 584370), (36, 519440), (40, 467496), (43, 434880), (45, 415552), (48, 389580), (60, 311664), (64, 292185), (72, 259720), (80, 233748), (86, 217440), (90, 207776), (96, 194790), (120, 155832), (129, 144960), (144, 129860), (151, 123840), (160, 116874), (172, 108720), (180, 103888), (192, 97395), (215, 86976), (240, 77916), (258, 72480), (288, 64930), (302, 61920), (320, 58437), (344, 54360), (360, 51944), (387, 48320), (430, 43488), (453, 41280), (480, 38958), (516, 36240), (576, 32465), (604, 30960), (645, 28992), (688, 27180), (720, 25972), (755, 24768), (774, 24160), (860, 21744), (906, 20640), (960, 19479), (1032, 18120), (1208, 15480), (1290, 14496), (1359, 13760), (1376, 13590), (1440, 12986), (1510, 12384), (1548, 12080), (1720, 10872), (1812, 10320), (1935, 9664), (2064, 9060), (2265, 8256), (2416, 7740), (2580, 7248), (2718, 6880), (2752, 6795), (2880, 6493), (3020, 6192), (3096, 6040), (3440, 5436), (3624, 5160), (3870, 4832), (4128, 4530)]