19653840

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{337}}^1$

素因数の和:368

約数の個数: 140

約数和(自身を含む): 68714724

約数和(自身を除く): 49060884

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 337, 360, 405, 432, 486, 540, 648, 674, 720, 729, 810, 972, 1011, 1080, 1215, 1296, 1348, 1458, 1620, 1685, 1944, 2022, 2160, 2430, 2696, 2916, 3033, 3240, 3370, 3645, 3888, 4044, 4860, 5055, 5392, 5832, 6066, 6480, 6740, 7290, 8088, 9099, 9720, 10110, 11664, 12132, 13480, 14580, 15165, 16176, 18198, 19440, 20220, 24264, 26960, 27297, 29160, 30330, 36396, 40440, 45495, 48528, 54594, 58320, 60660, 72792, 80880, 81891, 90990, 109188, 121320, 136485, 145584, 163782, 181980, 218376, 242640, 245673, 272970, 327564, 363960, 409455, 436752, 491346, 545940, 655128, 727920, 818910, 982692, 1091880, 1228365, 1310256, 1637820, 1965384, 2183760, 2456730, 3275640, 3930768, 4913460, 6551280, 9826920, 19653840]

約数ペア:

[(1, 19653840), (2, 9826920), (3, 6551280), (4, 4913460), (5, 3930768), (6, 3275640), (8, 2456730), (9, 2183760), (10, 1965384), (12, 1637820), (15, 1310256), (16, 1228365), (18, 1091880), (20, 982692), (24, 818910), (27, 727920), (30, 655128), (36, 545940), (40, 491346), (45, 436752), (48, 409455), (54, 363960), (60, 327564), (72, 272970), (80, 245673), (81, 242640), (90, 218376), (108, 181980), (120, 163782), (135, 145584), (144, 136485), (162, 121320), (180, 109188), (216, 90990), (240, 81891), (243, 80880), (270, 72792), (324, 60660), (337, 58320), (360, 54594), (405, 48528), (432, 45495), (486, 40440), (540, 36396), (648, 30330), (674, 29160), (720, 27297), (729, 26960), (810, 24264), (972, 20220), (1011, 19440), (1080, 18198), (1215, 16176), (1296, 15165), (1348, 14580), (1458, 13480), (1620, 12132), (1685, 11664), (1944, 10110), (2022, 9720), (2160, 9099), (2430, 8088), (2696, 7290), (2916, 6740), (3033, 6480), (3240, 6066), (3370, 5832), (3645, 5392), (3888, 5055), (4044, 4860)]