17980790

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{571}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 33606144

約数和(自身を除く): 15625354

約数列:

[1, 2, 5, 10, 47, 67, 94, 134, 235, 335, 470, 571, 670, 1142, 2855, 3149, 5710, 6298, 15745, 26837, 31490, 38257, 53674, 76514, 134185, 191285, 268370, 382570, 1798079, 3596158, 8990395, 17980790]

約数ペア:

[(1, 17980790), (2, 8990395), (5, 3596158), (10, 1798079), (47, 382570), (67, 268370), (94, 191285), (134, 134185), (235, 76514), (335, 53674), (470, 38257), (571, 31490), (670, 26837), (1142, 15745), (2855, 6298), (3149, 5710)]