18902312

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:115

約数の個数: 96

約数和(自身を含む): 44271360

約数和(自身を除く): 25369048

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 31, 41, 44, 52, 62, 82, 88, 104, 124, 143, 164, 169, 248, 286, 328, 338, 341, 403, 451, 533, 572, 676, 682, 806, 902, 1066, 1144, 1271, 1352, 1364, 1612, 1804, 1859, 2132, 2542, 2728, 3224, 3608, 3718, 4264, 4433, 5084, 5239, 5863, 6929, 7436, 8866, 10168, 10478, 11726, 13858, 13981, 14872, 16523, 17732, 20956, 23452, 27716, 27962, 33046, 35464, 41912, 46904, 55432, 55924, 57629, 66092, 76219, 111848, 115258, 132184, 152438, 181753, 214799, 230516, 304876, 363506, 429598, 461032, 609752, 727012, 859196, 1454024, 1718392, 2362789, 4725578, 9451156, 18902312]

約数ペア:

[(1, 18902312), (2, 9451156), (4, 4725578), (8, 2362789), (11, 1718392), (13, 1454024), (22, 859196), (26, 727012), (31, 609752), (41, 461032), (44, 429598), (52, 363506), (62, 304876), (82, 230516), (88, 214799), (104, 181753), (124, 152438), (143, 132184), (164, 115258), (169, 111848), (248, 76219), (286, 66092), (328, 57629), (338, 55924), (341, 55432), (403, 46904), (451, 41912), (533, 35464), (572, 33046), (676, 27962), (682, 27716), (806, 23452), (902, 20956), (1066, 17732), (1144, 16523), (1271, 14872), (1352, 13981), (1364, 13858), (1612, 11726), (1804, 10478), (1859, 10168), (2132, 8866), (2542, 7436), (2728, 6929), (3224, 5863), (3608, 5239), (3718, 5084), (4264, 4433)]