18662904

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 55211520

約数和(自身を除く): 36548616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 127, 156, 157, 234, 254, 312, 314, 381, 468, 471, 508, 628, 762, 936, 942, 1016, 1143, 1256, 1413, 1524, 1651, 1884, 2041, 2286, 2826, 3048, 3302, 3768, 4082, 4572, 4953, 5652, 6123, 6604, 8164, 9144, 9906, 11304, 12246, 13208, 14859, 16328, 18369, 19812, 19939, 24492, 29718, 36738, 39624, 39878, 48984, 59436, 59817, 73476, 79756, 118872, 119634, 146952, 159512, 179451, 239268, 259207, 358902, 478536, 518414, 717804, 777621, 1036828, 1435608, 1555242, 2073656, 2332863, 3110484, 4665726, 6220968, 9331452, 18662904]

約数ペア:

[(1, 18662904), (2, 9331452), (3, 6220968), (4, 4665726), (6, 3110484), (8, 2332863), (9, 2073656), (12, 1555242), (13, 1435608), (18, 1036828), (24, 777621), (26, 717804), (36, 518414), (39, 478536), (52, 358902), (72, 259207), (78, 239268), (104, 179451), (117, 159512), (127, 146952), (156, 119634), (157, 118872), (234, 79756), (254, 73476), (312, 59817), (314, 59436), (381, 48984), (468, 39878), (471, 39624), (508, 36738), (628, 29718), (762, 24492), (936, 19939), (942, 19812), (1016, 18369), (1143, 16328), (1256, 14859), (1413, 13208), (1524, 12246), (1651, 11304), (1884, 9906), (2041, 9144), (2286, 8164), (2826, 6604), (3048, 6123), (3302, 5652), (3768, 4953), (4082, 4572)]