19705824

素因数分解:

$2^5\times 3^2\times {\mathrm{53}}^1\times {\mathrm{1291}}^1$

素因数の和:1360

約数の個数: 72

約数和(自身を含む): 57139992

約数和(自身を除く): 37434168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 53, 72, 96, 106, 144, 159, 212, 288, 318, 424, 477, 636, 848, 954, 1272, 1291, 1696, 1908, 2544, 2582, 3816, 3873, 5088, 5164, 7632, 7746, 10328, 11619, 15264, 15492, 20656, 23238, 30984, 41312, 46476, 61968, 68423, 92952, 123936, 136846, 185904, 205269, 273692, 371808, 410538, 547384, 615807, 821076, 1094768, 1231614, 1642152, 2189536, 2463228, 3284304, 4926456, 6568608, 9852912, 19705824]

約数ペア:

[(1, 19705824), (2, 9852912), (3, 6568608), (4, 4926456), (6, 3284304), (8, 2463228), (9, 2189536), (12, 1642152), (16, 1231614), (18, 1094768), (24, 821076), (32, 615807), (36, 547384), (48, 410538), (53, 371808), (72, 273692), (96, 205269), (106, 185904), (144, 136846), (159, 123936), (212, 92952), (288, 68423), (318, 61968), (424, 46476), (477, 41312), (636, 30984), (848, 23238), (954, 20656), (1272, 15492), (1291, 15264), (1696, 11619), (1908, 10328), (2544, 7746), (2582, 7632), (3816, 5164), (3873, 5088)]