18843840

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{727}}^1$

素因数の和:756

約数の個数: 140

約数和(自身を含む): 67123056

約数和(自身を除く): 48279216

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, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 727, 810, 864, 960, 1080, 1296, 1440, 1454, 1620, 1728, 2160, 2181, 2592, 2880, 2908, 3240, 3635, 4320, 4362, 5184, 5816, 6480, 6543, 7270, 8640, 8724, 10905, 11632, 12960, 13086, 14540, 17448, 19629, 21810, 23264, 25920, 26172, 29080, 32715, 34896, 39258, 43620, 46528, 52344, 58160, 58887, 65430, 69792, 78516, 87240, 98145, 104688, 116320, 117774, 130860, 139584, 157032, 174480, 196290, 209376, 232640, 235548, 261720, 294435, 314064, 348960, 392580, 418752, 471096, 523440, 588870, 628128, 697920, 785160, 942192, 1046880, 1177740, 1256256, 1570320, 1884384, 2093760, 2355480, 3140640, 3768768, 4710960, 6281280, 9421920, 18843840]

約数ペア:

[(1, 18843840), (2, 9421920), (3, 6281280), (4, 4710960), (5, 3768768), (6, 3140640), (8, 2355480), (9, 2093760), (10, 1884384), (12, 1570320), (15, 1256256), (16, 1177740), (18, 1046880), (20, 942192), (24, 785160), (27, 697920), (30, 628128), (32, 588870), (36, 523440), (40, 471096), (45, 418752), (48, 392580), (54, 348960), (60, 314064), (64, 294435), (72, 261720), (80, 235548), (81, 232640), (90, 209376), (96, 196290), (108, 174480), (120, 157032), (135, 139584), (144, 130860), (160, 117774), (162, 116320), (180, 104688), (192, 98145), (216, 87240), (240, 78516), (270, 69792), (288, 65430), (320, 58887), (324, 58160), (360, 52344), (405, 46528), (432, 43620), (480, 39258), (540, 34896), (576, 32715), (648, 29080), (720, 26172), (727, 25920), (810, 23264), (864, 21810), (960, 19629), (1080, 17448), (1296, 14540), (1440, 13086), (1454, 12960), (1620, 11632), (1728, 10905), (2160, 8724), (2181, 8640), (2592, 7270), (2880, 6543), (2908, 6480), (3240, 5816), (3635, 5184), (4320, 4362)]