18086888

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{72931}}^1$

素因数の和:72968

約数の個数: 16

約数和(自身を含む): 35007360

約数和(自身を除く): 16920472

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 72931, 145862, 291724, 583448, 2260861, 4521722, 9043444, 18086888]

約数ペア:

[(1, 18086888), (2, 9043444), (4, 4521722), (8, 2260861), (31, 583448), (62, 291724), (124, 145862), (248, 72931)]