18015984

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:375

約数の個数: 120

約数和(自身を含む): 58767072

約数和(自身を除く): 40751088

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 61, 63, 72, 84, 112, 122, 126, 144, 168, 183, 244, 252, 293, 336, 366, 427, 488, 504, 549, 586, 732, 854, 879, 976, 1008, 1098, 1172, 1281, 1464, 1708, 1758, 2051, 2196, 2344, 2562, 2637, 2928, 3416, 3516, 3843, 4102, 4392, 4688, 5124, 5274, 6153, 6832, 7032, 7686, 8204, 8784, 10248, 10548, 12306, 14064, 15372, 16408, 17873, 18459, 20496, 21096, 24612, 30744, 32816, 35746, 36918, 42192, 49224, 53619, 61488, 71492, 73836, 98448, 107238, 125111, 142984, 147672, 160857, 214476, 250222, 285968, 295344, 321714, 375333, 428952, 500444, 643428, 750666, 857904, 1000888, 1125999, 1286856, 1501332, 2001776, 2251998, 2573712, 3002664, 4503996, 6005328, 9007992, 18015984]

約数ペア:

[(1, 18015984), (2, 9007992), (3, 6005328), (4, 4503996), (6, 3002664), (7, 2573712), (8, 2251998), (9, 2001776), (12, 1501332), (14, 1286856), (16, 1125999), (18, 1000888), (21, 857904), (24, 750666), (28, 643428), (36, 500444), (42, 428952), (48, 375333), (56, 321714), (61, 295344), (63, 285968), (72, 250222), (84, 214476), (112, 160857), (122, 147672), (126, 142984), (144, 125111), (168, 107238), (183, 98448), (244, 73836), (252, 71492), (293, 61488), (336, 53619), (366, 49224), (427, 42192), (488, 36918), (504, 35746), (549, 32816), (586, 30744), (732, 24612), (854, 21096), (879, 20496), (976, 18459), (1008, 17873), (1098, 16408), (1172, 15372), (1281, 14064), (1464, 12306), (1708, 10548), (1758, 10248), (2051, 8784), (2196, 8204), (2344, 7686), (2562, 7032), (2637, 6832), (2928, 6153), (3416, 5274), (3516, 5124), (3843, 4688), (4102, 4392)]