19603493

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:333

約数の個数: 24

約数和(自身を含む): 24700608

約数和(自身を除く): 5097115

約数列:

[1, 7, 13, 73, 91, 169, 227, 511, 949, 1183, 1589, 2951, 6643, 12337, 16571, 20657, 38363, 86359, 115997, 215423, 268541, 1507961, 2800499, 19603493]

約数ペア:

[(1, 19603493), (7, 2800499), (13, 1507961), (73, 268541), (91, 215423), (169, 115997), (227, 86359), (511, 38363), (949, 20657), (1183, 16571), (1589, 12337), (2951, 6643)]