18225844

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 41827968

約数和(自身を除く): 23602124

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 49, 52, 91, 92, 98, 161, 182, 196, 299, 311, 322, 364, 598, 622, 637, 644, 1127, 1196, 1244, 1274, 2093, 2177, 2254, 2548, 4043, 4186, 4354, 4508, 7153, 8086, 8372, 8708, 14306, 14651, 15239, 16172, 28301, 28612, 29302, 30478, 50071, 56602, 58604, 60956, 92989, 100142, 113204, 185978, 198107, 200284, 350497, 371956, 396214, 650923, 700994, 792428, 1301846, 1401988, 2603692, 4556461, 9112922, 18225844]

約数ペア:

[(1, 18225844), (2, 9112922), (4, 4556461), (7, 2603692), (13, 1401988), (14, 1301846), (23, 792428), (26, 700994), (28, 650923), (46, 396214), (49, 371956), (52, 350497), (91, 200284), (92, 198107), (98, 185978), (161, 113204), (182, 100142), (196, 92989), (299, 60956), (311, 58604), (322, 56602), (364, 50071), (598, 30478), (622, 29302), (637, 28612), (644, 28301), (1127, 16172), (1196, 15239), (1244, 14651), (1274, 14306), (2093, 8708), (2177, 8372), (2254, 8086), (2548, 7153), (4043, 4508), (4186, 4354)]