19151769

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 32919936

約数和(自身を除く): 13768167

約数列:

[1, 3, 7, 13, 21, 31, 39, 73, 91, 93, 217, 219, 273, 403, 511, 651, 949, 961, 1209, 1533, 2263, 2821, 2847, 2883, 6643, 6727, 6789, 8463, 12493, 15841, 19929, 20181, 29419, 37479, 47523, 70153, 87451, 88257, 205933, 210459, 262353, 491071, 617799, 911989, 1473213, 2735967, 6383923, 19151769]

約数ペア:

[(1, 19151769), (3, 6383923), (7, 2735967), (13, 1473213), (21, 911989), (31, 617799), (39, 491071), (73, 262353), (91, 210459), (93, 205933), (217, 88257), (219, 87451), (273, 70153), (403, 47523), (511, 37479), (651, 29419), (949, 20181), (961, 19929), (1209, 15841), (1533, 12493), (2263, 8463), (2821, 6789), (2847, 6727), (2883, 6643)]