18799256

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 42535680

約数和(自身を除く): 23736424

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 43, 56, 74, 86, 148, 172, 211, 259, 296, 301, 344, 422, 518, 602, 844, 1036, 1204, 1477, 1591, 1688, 2072, 2408, 2954, 3182, 5908, 6364, 7807, 9073, 11137, 11816, 12728, 15614, 18146, 22274, 31228, 36292, 44548, 54649, 62456, 63511, 72584, 89096, 109298, 127022, 218596, 254044, 335701, 437192, 508088, 671402, 1342804, 2349907, 2685608, 4699814, 9399628, 18799256]

約数ペア:

[(1, 18799256), (2, 9399628), (4, 4699814), (7, 2685608), (8, 2349907), (14, 1342804), (28, 671402), (37, 508088), (43, 437192), (56, 335701), (74, 254044), (86, 218596), (148, 127022), (172, 109298), (211, 89096), (259, 72584), (296, 63511), (301, 62456), (344, 54649), (422, 44548), (518, 36292), (602, 31228), (844, 22274), (1036, 18146), (1204, 15614), (1477, 12728), (1591, 11816), (1688, 11137), (2072, 9073), (2408, 7807), (2954, 6364), (3182, 5908)]