18655116

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 45771264

約数和(自身を除く): 27116148

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 257, 263, 276, 514, 526, 771, 789, 1028, 1052, 1542, 1578, 3084, 3156, 5911, 6049, 11822, 12098, 17733, 18147, 23644, 24196, 35466, 36294, 67591, 70932, 72588, 135182, 202773, 270364, 405546, 811092, 1554593, 3109186, 4663779, 6218372, 9327558, 18655116]

約数ペア:

[(1, 18655116), (2, 9327558), (3, 6218372), (4, 4663779), (6, 3109186), (12, 1554593), (23, 811092), (46, 405546), (69, 270364), (92, 202773), (138, 135182), (257, 72588), (263, 70932), (276, 67591), (514, 36294), (526, 35466), (771, 24196), (789, 23644), (1028, 18147), (1052, 17733), (1542, 12098), (1578, 11822), (3084, 6049), (3156, 5911)]