19656897

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{283}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 28688544

約数和(自身を除く): 9031647

約数列:

[1, 3, 13, 39, 137, 169, 283, 411, 507, 849, 1781, 3679, 5343, 11037, 23153, 38771, 47827, 69459, 116313, 143481, 504023, 1512069, 6552299, 19656897]

約数ペア:

[(1, 19656897), (3, 6552299), (13, 1512069), (39, 504023), (137, 143481), (169, 116313), (283, 69459), (411, 47827), (507, 38771), (849, 23153), (1781, 11037), (3679, 5343)]