18692752

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:288

約数の個数: 60

約数和(自身を含む): 40664064

約数和(自身を除く): 21971312

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 169, 208, 223, 248, 338, 403, 446, 496, 676, 806, 892, 1352, 1612, 1784, 2704, 2899, 3224, 3568, 5239, 5798, 6448, 6913, 10478, 11596, 13826, 20956, 23192, 27652, 37687, 41912, 46384, 55304, 75374, 83824, 89869, 110608, 150748, 179738, 301496, 359476, 602992, 718952, 1168297, 1437904, 2336594, 4673188, 9346376, 18692752]

約数ペア:

[(1, 18692752), (2, 9346376), (4, 4673188), (8, 2336594), (13, 1437904), (16, 1168297), (26, 718952), (31, 602992), (52, 359476), (62, 301496), (104, 179738), (124, 150748), (169, 110608), (208, 89869), (223, 83824), (248, 75374), (338, 55304), (403, 46384), (446, 41912), (496, 37687), (676, 27652), (806, 23192), (892, 20956), (1352, 13826), (1612, 11596), (1784, 10478), (2704, 6913), (2899, 6448), (3224, 5798), (3568, 5239)]