18688384

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1021}}^1$

素因数の和:1059

約数の個数: 64

約数和(自身を含む): 43782480

約数和(自身を除く): 25094096

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 128, 143, 176, 208, 286, 352, 416, 572, 704, 832, 1021, 1144, 1408, 1664, 2042, 2288, 4084, 4576, 8168, 9152, 11231, 13273, 16336, 18304, 22462, 26546, 32672, 44924, 53092, 65344, 89848, 106184, 130688, 146003, 179696, 212368, 292006, 359392, 424736, 584012, 718784, 849472, 1168024, 1437568, 1698944, 2336048, 4672096, 9344192, 18688384]

約数ペア:

[(1, 18688384), (2, 9344192), (4, 4672096), (8, 2336048), (11, 1698944), (13, 1437568), (16, 1168024), (22, 849472), (26, 718784), (32, 584012), (44, 424736), (52, 359392), (64, 292006), (88, 212368), (104, 179696), (128, 146003), (143, 130688), (176, 106184), (208, 89848), (286, 65344), (352, 53092), (416, 44924), (572, 32672), (704, 26546), (832, 22462), (1021, 18304), (1144, 16336), (1408, 13273), (1664, 11231), (2042, 9152), (2288, 8168), (4084, 4576)]