18666960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:253

約数の個数: 160

約数和(自身を含む): 64662528

約数和(自身を除く): 45995568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 39, 40, 48, 52, 60, 62, 65, 78, 80, 93, 104, 120, 124, 130, 155, 156, 186, 193, 195, 208, 240, 248, 260, 310, 312, 372, 386, 390, 403, 465, 496, 520, 579, 620, 624, 744, 772, 780, 806, 930, 965, 1040, 1158, 1209, 1240, 1488, 1544, 1560, 1612, 1860, 1930, 2015, 2316, 2418, 2480, 2509, 2895, 3088, 3120, 3224, 3720, 3860, 4030, 4632, 4836, 5018, 5790, 5983, 6045, 6448, 7440, 7527, 7720, 8060, 9264, 9672, 10036, 11580, 11966, 12090, 12545, 15054, 15440, 16120, 17949, 19344, 20072, 23160, 23932, 24180, 25090, 29915, 30108, 32240, 35898, 37635, 40144, 46320, 47864, 48360, 50180, 59830, 60216, 71796, 75270, 77779, 89745, 95728, 96720, 100360, 119660, 120432, 143592, 150540, 155558, 179490, 200720, 233337, 239320, 287184, 301080, 311116, 358980, 388895, 466674, 478640, 602160, 622232, 717960, 777790, 933348, 1166685, 1244464, 1435920, 1555580, 1866696, 2333370, 3111160, 3733392, 4666740, 6222320, 9333480, 18666960]

約数ペア:

[(1, 18666960), (2, 9333480), (3, 6222320), (4, 4666740), (5, 3733392), (6, 3111160), (8, 2333370), (10, 1866696), (12, 1555580), (13, 1435920), (15, 1244464), (16, 1166685), (20, 933348), (24, 777790), (26, 717960), (30, 622232), (31, 602160), (39, 478640), (40, 466674), (48, 388895), (52, 358980), (60, 311116), (62, 301080), (65, 287184), (78, 239320), (80, 233337), (93, 200720), (104, 179490), (120, 155558), (124, 150540), (130, 143592), (155, 120432), (156, 119660), (186, 100360), (193, 96720), (195, 95728), (208, 89745), (240, 77779), (248, 75270), (260, 71796), (310, 60216), (312, 59830), (372, 50180), (386, 48360), (390, 47864), (403, 46320), (465, 40144), (496, 37635), (520, 35898), (579, 32240), (620, 30108), (624, 29915), (744, 25090), (772, 24180), (780, 23932), (806, 23160), (930, 20072), (965, 19344), (1040, 17949), (1158, 16120), (1209, 15440), (1240, 15054), (1488, 12545), (1544, 12090), (1560, 11966), (1612, 11580), (1860, 10036), (1930, 9672), (2015, 9264), (2316, 8060), (2418, 7720), (2480, 7527), (2509, 7440), (2895, 6448), (3088, 6045), (3120, 5983), (3224, 5790), (3720, 5018), (3860, 4836), (4030, 4632)]