18973948

素因数分解:

$2^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{3917}}^1$

素因数の和:4101

約数の個数: 24

約数和(自身を含む): 38176992

約数和(自身を除く): 19203044

約数列:

[1, 2, 4, 7, 14, 28, 173, 346, 692, 1211, 2422, 3917, 4844, 7834, 15668, 27419, 54838, 109676, 677641, 1355282, 2710564, 4743487, 9486974, 18973948]

約数ペア:

[(1, 18973948), (2, 9486974), (4, 4743487), (7, 2710564), (14, 1355282), (28, 677641), (173, 109676), (346, 54838), (692, 27419), (1211, 15668), (2422, 7834), (3917, 4844)]