18895834

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 31135104

約数和(自身を除く): 12239270

約数列:

[1, 2, 23, 41, 43, 46, 82, 86, 233, 466, 943, 989, 1763, 1886, 1978, 3526, 5359, 9553, 10019, 10718, 19106, 20038, 40549, 81098, 219719, 230437, 410779, 439438, 460874, 821558, 9447917, 18895834]

約数ペア:

[(1, 18895834), (2, 9447917), (23, 821558), (41, 460874), (43, 439438), (46, 410779), (82, 230437), (86, 219719), (233, 81098), (466, 40549), (943, 20038), (989, 19106), (1763, 10718), (1886, 10019), (1978, 9553), (3526, 5359)]