18688208

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^2\times {\mathrm{197}}^1$

素因数の和:241

約数の個数: 90

約数和(自身を含む): 46532178

約数和(自身を除く): 27843970

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 121, 154, 176, 196, 197, 242, 308, 392, 394, 484, 539, 616, 784, 788, 847, 968, 1078, 1232, 1379, 1576, 1694, 1936, 2156, 2167, 2758, 3152, 3388, 4312, 4334, 5516, 5929, 6776, 8624, 8668, 9653, 11032, 11858, 13552, 15169, 17336, 19306, 22064, 23716, 23837, 30338, 34672, 38612, 47432, 47674, 60676, 77224, 94864, 95348, 106183, 121352, 154448, 166859, 190696, 212366, 242704, 333718, 381392, 424732, 667436, 849464, 1168013, 1334872, 1698928, 2336026, 2669744, 4672052, 9344104, 18688208]

約数ペア:

[(1, 18688208), (2, 9344104), (4, 4672052), (7, 2669744), (8, 2336026), (11, 1698928), (14, 1334872), (16, 1168013), (22, 849464), (28, 667436), (44, 424732), (49, 381392), (56, 333718), (77, 242704), (88, 212366), (98, 190696), (112, 166859), (121, 154448), (154, 121352), (176, 106183), (196, 95348), (197, 94864), (242, 77224), (308, 60676), (392, 47674), (394, 47432), (484, 38612), (539, 34672), (616, 30338), (784, 23837), (788, 23716), (847, 22064), (968, 19306), (1078, 17336), (1232, 15169), (1379, 13552), (1576, 11858), (1694, 11032), (1936, 9653), (2156, 8668), (2167, 8624), (2758, 6776), (3152, 5929), (3388, 5516), (4312, 4334)]