18934560

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{487}}^1$

素因数の和:517

約数の個数: 144

約数和(自身を含む): 67144896

約数和(自身を除く): 48210336

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 405, 432, 480, 486, 487, 540, 648, 720, 810, 864, 972, 974, 1080, 1215, 1296, 1440, 1461, 1620, 1944, 1948, 2160, 2430, 2435, 2592, 2922, 3240, 3888, 3896, 4320, 4383, 4860, 4870, 5844, 6480, 7305, 7776, 7792, 8766, 9720, 9740, 11688, 12960, 13149, 14610, 15584, 17532, 19440, 19480, 21915, 23376, 26298, 29220, 35064, 38880, 38960, 39447, 43830, 46752, 52596, 58440, 65745, 70128, 77920, 78894, 87660, 105192, 116880, 118341, 131490, 140256, 157788, 175320, 197235, 210384, 233760, 236682, 262980, 315576, 350640, 394470, 420768, 473364, 525960, 591705, 631152, 701280, 788940, 946728, 1051920, 1183410, 1262304, 1577880, 1893456, 2103840, 2366820, 3155760, 3786912, 4733640, 6311520, 9467280, 18934560]

約数ペア:

[(1, 18934560), (2, 9467280), (3, 6311520), (4, 4733640), (5, 3786912), (6, 3155760), (8, 2366820), (9, 2103840), (10, 1893456), (12, 1577880), (15, 1262304), (16, 1183410), (18, 1051920), (20, 946728), (24, 788940), (27, 701280), (30, 631152), (32, 591705), (36, 525960), (40, 473364), (45, 420768), (48, 394470), (54, 350640), (60, 315576), (72, 262980), (80, 236682), (81, 233760), (90, 210384), (96, 197235), (108, 175320), (120, 157788), (135, 140256), (144, 131490), (160, 118341), (162, 116880), (180, 105192), (216, 87660), (240, 78894), (243, 77920), (270, 70128), (288, 65745), (324, 58440), (360, 52596), (405, 46752), (432, 43830), (480, 39447), (486, 38960), (487, 38880), (540, 35064), (648, 29220), (720, 26298), (810, 23376), (864, 21915), (972, 19480), (974, 19440), (1080, 17532), (1215, 15584), (1296, 14610), (1440, 13149), (1461, 12960), (1620, 11688), (1944, 9740), (1948, 9720), (2160, 8766), (2430, 7792), (2435, 7776), (2592, 7305), (2922, 6480), (3240, 5844), (3888, 4870), (3896, 4860), (4320, 4383)]