19330839

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:189

約数の個数: 48

約数和(自身を含む): 32324320

約数和(自身を除く): 12993481

約数列:

[1, 3, 9, 11, 27, 33, 61, 97, 99, 121, 183, 291, 297, 363, 549, 671, 873, 1067, 1089, 1647, 2013, 2619, 3201, 3267, 5917, 6039, 7381, 9603, 11737, 17751, 18117, 22143, 28809, 35211, 53253, 65087, 66429, 105633, 159759, 195261, 199287, 316899, 585783, 715957, 1757349, 2147871, 6443613, 19330839]

約数ペア:

[(1, 19330839), (3, 6443613), (9, 2147871), (11, 1757349), (27, 715957), (33, 585783), (61, 316899), (97, 199287), (99, 195261), (121, 159759), (183, 105633), (291, 66429), (297, 65087), (363, 53253), (549, 35211), (671, 28809), (873, 22143), (1067, 18117), (1089, 17751), (1647, 11737), (2013, 9603), (2619, 7381), (3201, 6039), (3267, 5917)]