18757596

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:691

約数の個数: 96

約数和(自身を含む): 54528768

約数和(自身を除く): 35771172

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 17, 22, 26, 33, 34, 39, 44, 51, 52, 66, 68, 78, 102, 132, 143, 156, 187, 204, 221, 286, 374, 429, 442, 561, 572, 643, 663, 748, 858, 884, 1122, 1286, 1326, 1716, 1929, 2244, 2431, 2572, 2652, 3858, 4862, 7073, 7293, 7716, 8359, 9724, 10931, 14146, 14586, 16718, 21219, 21862, 25077, 28292, 29172, 32793, 33436, 42438, 43724, 50154, 65586, 84876, 91949, 100308, 120241, 131172, 142103, 183898, 240482, 275847, 284206, 360723, 367796, 426309, 480964, 551694, 568412, 721446, 852618, 1103388, 1442892, 1563133, 1705236, 3126266, 4689399, 6252532, 9378798, 18757596]

約数ペア:

[(1, 18757596), (2, 9378798), (3, 6252532), (4, 4689399), (6, 3126266), (11, 1705236), (12, 1563133), (13, 1442892), (17, 1103388), (22, 852618), (26, 721446), (33, 568412), (34, 551694), (39, 480964), (44, 426309), (51, 367796), (52, 360723), (66, 284206), (68, 275847), (78, 240482), (102, 183898), (132, 142103), (143, 131172), (156, 120241), (187, 100308), (204, 91949), (221, 84876), (286, 65586), (374, 50154), (429, 43724), (442, 42438), (561, 33436), (572, 32793), (643, 29172), (663, 28292), (748, 25077), (858, 21862), (884, 21219), (1122, 16718), (1286, 14586), (1326, 14146), (1716, 10931), (1929, 9724), (2244, 8359), (2431, 7716), (2572, 7293), (2652, 7073), (3858, 4862)]