18689528

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2$

素因数の和:109

約数の個数: 96

約数和(自身を含む): 45042480

約数和(自身を除く): 26352952

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 31, 34, 44, 52, 62, 68, 88, 104, 124, 136, 143, 187, 221, 248, 286, 341, 374, 403, 442, 527, 572, 682, 748, 806, 884, 961, 1054, 1144, 1364, 1496, 1612, 1768, 1922, 2108, 2431, 2728, 3224, 3844, 4216, 4433, 4862, 5797, 6851, 7688, 8866, 9724, 10571, 11594, 12493, 13702, 16337, 17732, 19448, 21142, 23188, 24986, 27404, 32674, 35464, 42284, 46376, 49972, 54808, 65348, 75361, 84568, 99944, 130696, 137423, 150722, 179707, 212381, 274846, 301444, 359414, 424762, 549692, 602888, 718828, 849524, 1099384, 1437656, 1699048, 2336191, 4672382, 9344764, 18689528]

約数ペア:

[(1, 18689528), (2, 9344764), (4, 4672382), (8, 2336191), (11, 1699048), (13, 1437656), (17, 1099384), (22, 849524), (26, 718828), (31, 602888), (34, 549692), (44, 424762), (52, 359414), (62, 301444), (68, 274846), (88, 212381), (104, 179707), (124, 150722), (136, 137423), (143, 130696), (187, 99944), (221, 84568), (248, 75361), (286, 65348), (341, 54808), (374, 49972), (403, 46376), (442, 42284), (527, 35464), (572, 32674), (682, 27404), (748, 24986), (806, 23188), (884, 21142), (961, 19448), (1054, 17732), (1144, 16337), (1364, 13702), (1496, 12493), (1612, 11594), (1768, 10571), (1922, 9724), (2108, 8866), (2431, 7688), (2728, 6851), (3224, 5797), (3844, 4862), (4216, 4433)]