18750888

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:128

約数の個数: 144

約数和(自身を含む): 58237920

約数和(自身を除く): 39487032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 23, 24, 26, 36, 39, 46, 52, 67, 69, 72, 78, 92, 104, 117, 134, 138, 156, 169, 184, 201, 207, 234, 268, 276, 299, 312, 338, 402, 414, 468, 507, 536, 552, 598, 603, 676, 804, 828, 871, 897, 936, 1014, 1196, 1206, 1352, 1521, 1541, 1608, 1656, 1742, 1794, 2028, 2392, 2412, 2613, 2691, 3042, 3082, 3484, 3588, 3887, 4056, 4623, 4824, 5226, 5382, 6084, 6164, 6968, 7176, 7774, 7839, 9246, 10452, 10764, 11323, 11661, 12168, 12328, 13869, 15548, 15678, 18492, 20033, 20904, 21528, 22646, 23322, 27738, 31096, 31356, 33969, 34983, 36984, 40066, 45292, 46644, 55476, 60099, 62712, 67938, 69966, 80132, 90584, 93288, 101907, 110952, 120198, 135876, 139932, 160264, 180297, 203814, 240396, 260429, 271752, 279864, 360594, 407628, 480792, 520858, 721188, 781287, 815256, 1041716, 1442376, 1562574, 2083432, 2343861, 3125148, 4687722, 6250296, 9375444, 18750888]

約数ペア:

[(1, 18750888), (2, 9375444), (3, 6250296), (4, 4687722), (6, 3125148), (8, 2343861), (9, 2083432), (12, 1562574), (13, 1442376), (18, 1041716), (23, 815256), (24, 781287), (26, 721188), (36, 520858), (39, 480792), (46, 407628), (52, 360594), (67, 279864), (69, 271752), (72, 260429), (78, 240396), (92, 203814), (104, 180297), (117, 160264), (134, 139932), (138, 135876), (156, 120198), (169, 110952), (184, 101907), (201, 93288), (207, 90584), (234, 80132), (268, 69966), (276, 67938), (299, 62712), (312, 60099), (338, 55476), (402, 46644), (414, 45292), (468, 40066), (507, 36984), (536, 34983), (552, 33969), (598, 31356), (603, 31096), (676, 27738), (804, 23322), (828, 22646), (871, 21528), (897, 20904), (936, 20033), (1014, 18492), (1196, 15678), (1206, 15548), (1352, 13869), (1521, 12328), (1541, 12168), (1608, 11661), (1656, 11323), (1742, 10764), (1794, 10452), (2028, 9246), (2392, 7839), (2412, 7774), (2613, 7176), (2691, 6968), (3042, 6164), (3082, 6084), (3484, 5382), (3588, 5226), (3887, 4824), (4056, 4623)]