19547840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:194

約数の個数: 112

約数和(自身を含む): 51889152

約数和(自身を除く): 32341312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 104, 127, 130, 148, 160, 185, 208, 254, 260, 296, 320, 370, 416, 481, 508, 520, 592, 635, 740, 832, 962, 1016, 1040, 1184, 1270, 1480, 1651, 1924, 2032, 2080, 2368, 2405, 2540, 2960, 3302, 3848, 4064, 4160, 4699, 4810, 5080, 5920, 6604, 7696, 8128, 8255, 9398, 9620, 10160, 11840, 13208, 15392, 16510, 18796, 19240, 20320, 23495, 26416, 30784, 33020, 37592, 38480, 40640, 46990, 52832, 61087, 66040, 75184, 76960, 93980, 105664, 122174, 132080, 150368, 153920, 187960, 244348, 264160, 300736, 305435, 375920, 488696, 528320, 610870, 751840, 977392, 1221740, 1503680, 1954784, 2443480, 3909568, 4886960, 9773920, 19547840]

約数ペア:

[(1, 19547840), (2, 9773920), (4, 4886960), (5, 3909568), (8, 2443480), (10, 1954784), (13, 1503680), (16, 1221740), (20, 977392), (26, 751840), (32, 610870), (37, 528320), (40, 488696), (52, 375920), (64, 305435), (65, 300736), (74, 264160), (80, 244348), (104, 187960), (127, 153920), (130, 150368), (148, 132080), (160, 122174), (185, 105664), (208, 93980), (254, 76960), (260, 75184), (296, 66040), (320, 61087), (370, 52832), (416, 46990), (481, 40640), (508, 38480), (520, 37592), (592, 33020), (635, 30784), (740, 26416), (832, 23495), (962, 20320), (1016, 19240), (1040, 18796), (1184, 16510), (1270, 15392), (1480, 13208), (1651, 11840), (1924, 10160), (2032, 9620), (2080, 9398), (2368, 8255), (2405, 8128), (2540, 7696), (2960, 6604), (3302, 5920), (3848, 5080), (4064, 4810), (4160, 4699)]