19862307

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:532

約数の個数: 32

約数和(自身を含む): 31521600

約数和(自身を除く): 11659293

約数列:

[1, 3, 9, 17, 27, 51, 109, 153, 327, 397, 459, 981, 1191, 1853, 2943, 3573, 5559, 6749, 10719, 16677, 20247, 43273, 50031, 60741, 129819, 182223, 389457, 735641, 1168371, 2206923, 6620769, 19862307]

約数ペア:

[(1, 19862307), (3, 6620769), (9, 2206923), (17, 1168371), (27, 735641), (51, 389457), (109, 182223), (153, 129819), (327, 60741), (397, 50031), (459, 43273), (981, 20247), (1191, 16677), (1853, 10719), (2943, 6749), (3573, 5559)]