19972371

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{2287}}^1$

素因数の和:2402

約数の個数: 16

約数和(自身を含む): 27675648

約数和(自身を除く): 7703277

約数列:

[1, 3, 41, 71, 123, 213, 2287, 2911, 6861, 8733, 93767, 162377, 281301, 487131, 6657457, 19972371]

約数ペア:

[(1, 19972371), (3, 6657457), (41, 487131), (71, 281301), (123, 162377), (213, 93767), (2287, 8733), (2911, 6861)]