19717705

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1069}}^1$

素因数の和:1129

約数の個数: 32

約数和(自身を含む): 29583360

約数和(自身を除く): 9865655

約数列:

[1, 5, 7, 17, 31, 35, 85, 119, 155, 217, 527, 595, 1069, 1085, 2635, 3689, 5345, 7483, 18173, 18445, 33139, 37415, 90865, 127211, 165695, 231973, 563363, 636055, 1159865, 2816815, 3943541, 19717705]

約数ペア:

[(1, 19717705), (5, 3943541), (7, 2816815), (17, 1159865), (31, 636055), (35, 563363), (85, 231973), (119, 165695), (155, 127211), (217, 90865), (527, 37415), (595, 33139), (1069, 18445), (1085, 18173), (2635, 7483), (3689, 5345)]