19388412

素因数分解:

$2^2\times 3^2\times {\mathrm{538567}}^1$

素因数の和:538577

約数の個数: 18

約数和(自身を含む): 49009688

約数和(自身を除く): 29621276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 538567, 1077134, 1615701, 2154268, 3231402, 4847103, 6462804, 9694206, 19388412]

約数ペア:

[(1, 19388412), (2, 9694206), (3, 6462804), (4, 4847103), (6, 3231402), (9, 2154268), (12, 1615701), (18, 1077134), (36, 538567)]