19849760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1$

素因数の和:538

約数の個数: 96

約数和(自身を含む): 55157760

約数和(自身を除く): 35308000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 160, 185, 224, 259, 280, 296, 370, 479, 518, 560, 592, 740, 958, 1036, 1120, 1184, 1295, 1480, 1916, 2072, 2395, 2590, 2960, 3353, 3832, 4144, 4790, 5180, 5920, 6706, 7664, 8288, 9580, 10360, 13412, 15328, 16765, 17723, 19160, 20720, 26824, 33530, 35446, 38320, 41440, 53648, 67060, 70892, 76640, 88615, 107296, 124061, 134120, 141784, 177230, 248122, 268240, 283568, 354460, 496244, 536480, 567136, 620305, 708920, 992488, 1240610, 1417840, 1984976, 2481220, 2835680, 3969952, 4962440, 9924880, 19849760]

約数ペア:

[(1, 19849760), (2, 9924880), (4, 4962440), (5, 3969952), (7, 2835680), (8, 2481220), (10, 1984976), (14, 1417840), (16, 1240610), (20, 992488), (28, 708920), (32, 620305), (35, 567136), (37, 536480), (40, 496244), (56, 354460), (70, 283568), (74, 268240), (80, 248122), (112, 177230), (140, 141784), (148, 134120), (160, 124061), (185, 107296), (224, 88615), (259, 76640), (280, 70892), (296, 67060), (370, 53648), (479, 41440), (518, 38320), (560, 35446), (592, 33530), (740, 26824), (958, 20720), (1036, 19160), (1120, 17723), (1184, 16765), (1295, 15328), (1480, 13412), (1916, 10360), (2072, 9580), (2395, 8288), (2590, 7664), (2960, 6706), (3353, 5920), (3832, 5180), (4144, 4790)]