18557136

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:481

約数の個数: 120

約数和(自身を含む): 58496256

約数和(自身を除く): 39939120

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 36, 39, 46, 48, 52, 69, 72, 78, 92, 104, 117, 138, 144, 156, 184, 207, 208, 234, 276, 299, 312, 368, 414, 431, 468, 552, 598, 624, 828, 862, 897, 936, 1104, 1196, 1293, 1656, 1724, 1794, 1872, 2392, 2586, 2691, 3312, 3448, 3588, 3879, 4784, 5172, 5382, 5603, 6896, 7176, 7758, 9913, 10344, 10764, 11206, 14352, 15516, 16809, 19826, 20688, 21528, 22412, 29739, 31032, 33618, 39652, 43056, 44824, 50427, 59478, 62064, 67236, 79304, 89217, 89648, 100854, 118956, 128869, 134472, 158608, 178434, 201708, 237912, 257738, 268944, 356868, 386607, 403416, 475824, 515476, 713736, 773214, 806832, 1030952, 1159821, 1427472, 1546428, 2061904, 2319642, 3092856, 4639284, 6185712, 9278568, 18557136]

約数ペア:

[(1, 18557136), (2, 9278568), (3, 6185712), (4, 4639284), (6, 3092856), (8, 2319642), (9, 2061904), (12, 1546428), (13, 1427472), (16, 1159821), (18, 1030952), (23, 806832), (24, 773214), (26, 713736), (36, 515476), (39, 475824), (46, 403416), (48, 386607), (52, 356868), (69, 268944), (72, 257738), (78, 237912), (92, 201708), (104, 178434), (117, 158608), (138, 134472), (144, 128869), (156, 118956), (184, 100854), (207, 89648), (208, 89217), (234, 79304), (276, 67236), (299, 62064), (312, 59478), (368, 50427), (414, 44824), (431, 43056), (468, 39652), (552, 33618), (598, 31032), (624, 29739), (828, 22412), (862, 21528), (897, 20688), (936, 19826), (1104, 16809), (1196, 15516), (1293, 14352), (1656, 11206), (1724, 10764), (1794, 10344), (1872, 9913), (2392, 7758), (2586, 7176), (2691, 6896), (3312, 5603), (3448, 5382), (3588, 5172), (3879, 4784)]