18645574

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{11411}}^1$

素因数の和:11475

約数の個数: 16

約数和(自身を含む): 30127680

約数和(自身を除く): 11482106

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 11411, 22822, 216809, 433618, 490673, 981346, 9322787, 18645574]

約数ペア:

[(1, 18645574), (2, 9322787), (19, 981346), (38, 490673), (43, 433618), (86, 216809), (817, 22822), (1634, 11411)]