19909383

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{367}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 29092608

約数和(自身を除く): 9183225

約数列:

[1, 3, 13, 39, 107, 169, 321, 367, 507, 1101, 1391, 4173, 4771, 14313, 18083, 39269, 54249, 62023, 117807, 186069, 510497, 1531491, 6636461, 19909383]

約数ペア:

[(1, 19909383), (3, 6636461), (13, 1531491), (39, 510497), (107, 186069), (169, 117807), (321, 62023), (367, 54249), (507, 39269), (1101, 18083), (1391, 14313), (4173, 4771)]