19203457

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5147}}^1$

素因数の和:5208

約数の個数: 16

約数和(自身を含む): 24216192

約数和(自身を除く): 5012735

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 5147, 36029, 66911, 211027, 468377, 1477189, 2743351, 19203457]

約数ペア:

[(1, 19203457), (7, 2743351), (13, 1477189), (41, 468377), (91, 211027), (287, 66911), (533, 36029), (3731, 5147)]