18726984

素因数分解:

$2^3\times 3^3\times {\mathrm{181}}^1\times {\mathrm{479}}^1$

素因数の和:675

約数の個数: 64

約数和(自身を含む): 52416000

約数和(自身を除く): 33689016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 181, 216, 362, 479, 543, 724, 958, 1086, 1437, 1448, 1629, 1916, 2172, 2874, 3258, 3832, 4311, 4344, 4887, 5748, 6516, 8622, 9774, 11496, 12933, 13032, 17244, 19548, 25866, 34488, 39096, 51732, 86699, 103464, 173398, 260097, 346796, 520194, 693592, 780291, 1040388, 1560582, 2080776, 2340873, 3121164, 4681746, 6242328, 9363492, 18726984]

約数ペア:

[(1, 18726984), (2, 9363492), (3, 6242328), (4, 4681746), (6, 3121164), (8, 2340873), (9, 2080776), (12, 1560582), (18, 1040388), (24, 780291), (27, 693592), (36, 520194), (54, 346796), (72, 260097), (108, 173398), (181, 103464), (216, 86699), (362, 51732), (479, 39096), (543, 34488), (724, 25866), (958, 19548), (1086, 17244), (1437, 13032), (1448, 12933), (1629, 11496), (1916, 9774), (2172, 8622), (2874, 6516), (3258, 5748), (3832, 4887), (4311, 4344)]