18684785

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1013}}^1$

素因数の和:1073

約数の個数: 32

約数和(自身を含む): 28035072

約数和(自身を除く): 9350287

約数列:

[1, 5, 7, 17, 31, 35, 85, 119, 155, 217, 527, 595, 1013, 1085, 2635, 3689, 5065, 7091, 17221, 18445, 31403, 35455, 86105, 120547, 157015, 219821, 533851, 602735, 1099105, 2669255, 3736957, 18684785]

約数ペア:

[(1, 18684785), (5, 3736957), (7, 2669255), (17, 1099105), (31, 602735), (35, 533851), (85, 219821), (119, 157015), (155, 120547), (217, 86105), (527, 35455), (595, 31403), (1013, 18445), (1085, 17221), (2635, 7091), (3689, 5065)]