17983874

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1423}}^1$

素因数の和:1585

約数の個数: 16

約数和(自身を含む): 27682560

約数和(自身を除く): 9698686

約数列:

[1, 2, 71, 89, 142, 178, 1423, 2846, 6319, 12638, 101033, 126647, 202066, 253294, 8991937, 17983874]

約数ペア:

[(1, 17983874), (2, 8991937), (71, 253294), (89, 202066), (142, 126647), (178, 101033), (1423, 12638), (2846, 6319)]