18704672

素因数分解:

$2^5\times 7^2\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:254

約数の個数: 72

約数和(自身を含む): 43666560

約数和(自身を除く): 24961888

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 79, 98, 112, 151, 158, 196, 224, 302, 316, 392, 553, 604, 632, 784, 1057, 1106, 1208, 1264, 1568, 2114, 2212, 2416, 2528, 3871, 4228, 4424, 4832, 7399, 7742, 8456, 8848, 11929, 14798, 15484, 16912, 17696, 23858, 29596, 30968, 33824, 47716, 59192, 61936, 83503, 95432, 118384, 123872, 167006, 190864, 236768, 334012, 381728, 584521, 668024, 1169042, 1336048, 2338084, 2672096, 4676168, 9352336, 18704672]

約数ペア:

[(1, 18704672), (2, 9352336), (4, 4676168), (7, 2672096), (8, 2338084), (14, 1336048), (16, 1169042), (28, 668024), (32, 584521), (49, 381728), (56, 334012), (79, 236768), (98, 190864), (112, 167006), (151, 123872), (158, 118384), (196, 95432), (224, 83503), (302, 61936), (316, 59192), (392, 47716), (553, 33824), (604, 30968), (632, 29596), (784, 23858), (1057, 17696), (1106, 16912), (1208, 15484), (1264, 14798), (1568, 11929), (2114, 8848), (2212, 8456), (2416, 7742), (2528, 7399), (3871, 4832), (4228, 4424)]