18876355953

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{69144161}}^1$

素因数の和:69144184

約数の個数: 16

約数和(自身を含む): 30976584576

約数和(自身を除く): 12100228623

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 69144161, 207432483, 484009127, 898874093, 1452027381, 2696622279, 6292118651, 18876355953]

約数ペア:

[(1, 18876355953), (3, 6292118651), (7, 2696622279), (13, 1452027381), (21, 898874093), (39, 484009127), (91, 207432483), (273, 69144161)]