19889112

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 52462080

約数和(自身を除く): 32572968

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 137, 138, 184, 263, 274, 276, 411, 526, 548, 552, 789, 822, 1052, 1096, 1578, 1644, 2104, 3151, 3156, 3288, 6049, 6302, 6312, 9453, 12098, 12604, 18147, 18906, 24196, 25208, 36031, 36294, 37812, 48392, 72062, 72588, 75624, 108093, 144124, 145176, 216186, 288248, 432372, 828713, 864744, 1657426, 2486139, 3314852, 4972278, 6629704, 9944556, 19889112]

約数ペア:

[(1, 19889112), (2, 9944556), (3, 6629704), (4, 4972278), (6, 3314852), (8, 2486139), (12, 1657426), (23, 864744), (24, 828713), (46, 432372), (69, 288248), (92, 216186), (137, 145176), (138, 144124), (184, 108093), (263, 75624), (274, 72588), (276, 72062), (411, 48392), (526, 37812), (548, 36294), (552, 36031), (789, 25208), (822, 24196), (1052, 18906), (1096, 18147), (1578, 12604), (1644, 12098), (2104, 9453), (3151, 6312), (3156, 6302), (3288, 6049)]