18880348515485

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1\times {\mathrm{823}}^1\times {\mathrm{12583}}^1$

素因数の和:13758

約数の個数: 64

約数和(自身を含む): 24390884643840

約数和(自身を除く): 5510536128355

約数列:

[1, 5, 17, 85, 89, 241, 445, 823, 1205, 1513, 4097, 4115, 7565, 12583, 13991, 20485, 21449, 62915, 69955, 73247, 107245, 198343, 213911, 364633, 366235, 991715, 1069555, 1119887, 1245199, 1823165, 3032503, 3371831, 5599435, 6225995, 10355809, 15162515, 16859155, 17652527, 19038079, 51552551, 51779045, 88262635, 95190395, 176048753, 257762755, 269892767, 300092959, 880243765, 921667001, 1349463835, 1500464795, 2495749969, 4588177039, 4608335005, 12478749845, 15668339017, 22940885195, 42427749473, 78341695085, 212138747365, 222121747241, 1110608736205, 3776069703097, 18880348515485]

約数ペア:

[(1, 18880348515485), (5, 3776069703097), (17, 1110608736205), (85, 222121747241), (89, 212138747365), (241, 78341695085), (445, 42427749473), (823, 22940885195), (1205, 15668339017), (1513, 12478749845), (4097, 4608335005), (4115, 4588177039), (7565, 2495749969), (12583, 1500464795), (13991, 1349463835), (20485, 921667001), (21449, 880243765), (62915, 300092959), (69955, 269892767), (73247, 257762755), (107245, 176048753), (198343, 95190395), (213911, 88262635), (364633, 51779045), (366235, 51552551), (991715, 19038079), (1069555, 17652527), (1119887, 16859155), (1245199, 15162515), (1823165, 10355809), (3032503, 6225995), (3371831, 5599435)]