19406870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 42024960

約数和(自身を除く): 22618090

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 59, 70, 74, 118, 127, 185, 254, 259, 295, 370, 413, 518, 590, 635, 826, 889, 1270, 1295, 1778, 2065, 2183, 2590, 4130, 4366, 4445, 4699, 7493, 8890, 9398, 10915, 14986, 15281, 21830, 23495, 30562, 32893, 37465, 46990, 52451, 65786, 74930, 76405, 104902, 152810, 164465, 262255, 277241, 328930, 524510, 554482, 1386205, 1940687, 2772410, 3881374, 9703435, 19406870]

約数ペア:

[(1, 19406870), (2, 9703435), (5, 3881374), (7, 2772410), (10, 1940687), (14, 1386205), (35, 554482), (37, 524510), (59, 328930), (70, 277241), (74, 262255), (118, 164465), (127, 152810), (185, 104902), (254, 76405), (259, 74930), (295, 65786), (370, 52451), (413, 46990), (518, 37465), (590, 32893), (635, 30562), (826, 23495), (889, 21830), (1270, 15281), (1295, 14986), (1778, 10915), (2065, 9398), (2183, 8890), (2590, 7493), (4130, 4699), (4366, 4445)]