19404047

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{541}}^1$

素因数の和:674

約数の個数: 16

約数和(自身を含む): 21853440

約数和(自身を除く): 2449393

約数列:

[1, 13, 31, 89, 403, 541, 1157, 2759, 7033, 16771, 35867, 48149, 218023, 625937, 1492619, 19404047]

約数ペア:

[(1, 19404047), (13, 1492619), (31, 625937), (89, 218023), (403, 48149), (541, 35867), (1157, 16771), (2759, 7033)]