18555856

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 42854400

約数和(自身を除く): 24298544

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 38, 44, 62, 76, 88, 124, 152, 176, 179, 209, 248, 304, 341, 358, 418, 496, 589, 682, 716, 836, 1178, 1364, 1432, 1672, 1969, 2356, 2728, 2864, 3344, 3401, 3938, 4712, 5456, 5549, 6479, 6802, 7876, 9424, 11098, 12958, 13604, 15752, 22196, 25916, 27208, 31504, 37411, 44392, 51832, 54416, 61039, 74822, 88784, 103664, 105431, 122078, 149644, 210862, 244156, 299288, 421724, 488312, 598576, 843448, 976624, 1159741, 1686896, 2319482, 4638964, 9277928, 18555856]

約数ペア:

[(1, 18555856), (2, 9277928), (4, 4638964), (8, 2319482), (11, 1686896), (16, 1159741), (19, 976624), (22, 843448), (31, 598576), (38, 488312), (44, 421724), (62, 299288), (76, 244156), (88, 210862), (124, 149644), (152, 122078), (176, 105431), (179, 103664), (209, 88784), (248, 74822), (304, 61039), (341, 54416), (358, 51832), (418, 44392), (496, 37411), (589, 31504), (682, 27208), (716, 25916), (836, 22196), (1178, 15752), (1364, 13604), (1432, 12958), (1672, 11098), (1969, 9424), (2356, 7876), (2728, 6802), (2864, 6479), (3344, 5549), (3401, 5456), (3938, 4712)]