19937203

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1303}}^1$

素因数の和:1434

約数の個数: 16

約数和(自身を含む): 23659776

約数和(自身を除く): 3722573

約数列:

[1, 11, 13, 107, 143, 1177, 1303, 1391, 14333, 15301, 16939, 139421, 186329, 1533631, 1812473, 19937203]

約数ペア:

[(1, 19937203), (11, 1812473), (13, 1533631), (107, 186329), (143, 139421), (1177, 16939), (1303, 15301), (1391, 14333)]