17898738

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{907}}^1$

素因数の和:959

約数の個数: 64

約数和(自身を含む): 43932672

約数和(自身を除く): 26033934

約数列:

[1, 2, 3, 6, 11, 13, 22, 23, 26, 33, 39, 46, 66, 69, 78, 138, 143, 253, 286, 299, 429, 506, 598, 759, 858, 897, 907, 1518, 1794, 1814, 2721, 3289, 5442, 6578, 9867, 9977, 11791, 19734, 19954, 20861, 23582, 29931, 35373, 41722, 59862, 62583, 70746, 125166, 129701, 229471, 259402, 271193, 389103, 458942, 542386, 688413, 778206, 813579, 1376826, 1627158, 2983123, 5966246, 8949369, 17898738]

約数ペア:

[(1, 17898738), (2, 8949369), (3, 5966246), (6, 2983123), (11, 1627158), (13, 1376826), (22, 813579), (23, 778206), (26, 688413), (33, 542386), (39, 458942), (46, 389103), (66, 271193), (69, 259402), (78, 229471), (138, 129701), (143, 125166), (253, 70746), (286, 62583), (299, 59862), (429, 41722), (506, 35373), (598, 29931), (759, 23582), (858, 20861), (897, 19954), (907, 19734), (1518, 11791), (1794, 9977), (1814, 9867), (2721, 6578), (3289, 5442)]