19533813

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 29417472

約数和(自身を除く): 9883659

約数列:

[1, 3, 13, 31, 39, 93, 107, 151, 321, 403, 453, 1209, 1391, 1963, 3317, 4173, 4681, 5889, 9951, 14043, 16157, 43121, 48471, 60853, 129363, 182559, 210041, 500867, 630123, 1502601, 6511271, 19533813]

約数ペア:

[(1, 19533813), (3, 6511271), (13, 1502601), (31, 630123), (39, 500867), (93, 210041), (107, 182559), (151, 129363), (321, 60853), (403, 48471), (453, 43121), (1209, 16157), (1391, 14043), (1963, 9951), (3317, 5889), (4173, 4681)]