19256913

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{661}}^1$

素因数の和:766

約数の個数: 32

約数和(自身を含む): 31140480

約数和(自身を除く): 11883567

約数列:

[1, 3, 9, 13, 27, 39, 83, 117, 249, 351, 661, 747, 1079, 1983, 2241, 3237, 5949, 8593, 9711, 17847, 25779, 29133, 54863, 77337, 164589, 232011, 493767, 713219, 1481301, 2139657, 6418971, 19256913]

約数ペア:

[(1, 19256913), (3, 6418971), (9, 2139657), (13, 1481301), (27, 713219), (39, 493767), (83, 232011), (117, 164589), (249, 77337), (351, 54863), (661, 29133), (747, 25779), (1079, 17847), (1983, 9711), (2241, 8593), (3237, 5949)]