18446688

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^2\times {\mathrm{379}}^1$

素因数の和:421

約数の個数: 108

約数和(自身を含む): 56953260

約数和(自身を除く): 38506572

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 169, 208, 234, 288, 312, 338, 379, 416, 468, 507, 624, 676, 758, 936, 1014, 1137, 1248, 1352, 1516, 1521, 1872, 2028, 2274, 2704, 3032, 3042, 3411, 3744, 4056, 4548, 4927, 5408, 6064, 6084, 6822, 8112, 9096, 9854, 12128, 12168, 13644, 14781, 16224, 18192, 19708, 24336, 27288, 29562, 36384, 39416, 44343, 48672, 54576, 59124, 64051, 78832, 88686, 109152, 118248, 128102, 157664, 177372, 192153, 236496, 256204, 354744, 384306, 472992, 512408, 576459, 709488, 768612, 1024816, 1152918, 1418976, 1537224, 2049632, 2305836, 3074448, 4611672, 6148896, 9223344, 18446688]

約数ペア:

[(1, 18446688), (2, 9223344), (3, 6148896), (4, 4611672), (6, 3074448), (8, 2305836), (9, 2049632), (12, 1537224), (13, 1418976), (16, 1152918), (18, 1024816), (24, 768612), (26, 709488), (32, 576459), (36, 512408), (39, 472992), (48, 384306), (52, 354744), (72, 256204), (78, 236496), (96, 192153), (104, 177372), (117, 157664), (144, 128102), (156, 118248), (169, 109152), (208, 88686), (234, 78832), (288, 64051), (312, 59124), (338, 54576), (379, 48672), (416, 44343), (468, 39416), (507, 36384), (624, 29562), (676, 27288), (758, 24336), (936, 19708), (1014, 18192), (1137, 16224), (1248, 14781), (1352, 13644), (1516, 12168), (1521, 12128), (1872, 9854), (2028, 9096), (2274, 8112), (2704, 6822), (3032, 6084), (3042, 6064), (3411, 5408), (3744, 4927), (4056, 4548)]