19479285

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{6871}}^1$

素因数の和:6895

約数の個数: 40

約数和(自身を含む): 39912576

約数和(自身を除く): 20433291

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 6871, 20613, 34355, 48097, 61839, 103065, 144291, 185517, 240485, 309195, 432873, 556551, 721455, 927585, 1298619, 2164365, 2782755, 3895857, 6493095, 19479285]

約数ペア:

[(1, 19479285), (3, 6493095), (5, 3895857), (7, 2782755), (9, 2164365), (15, 1298619), (21, 927585), (27, 721455), (35, 556551), (45, 432873), (63, 309195), (81, 240485), (105, 185517), (135, 144291), (189, 103065), (315, 61839), (405, 48097), (567, 34355), (945, 20613), (2835, 6871)]