18211888

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{4723}}^1$

素因数の和:4972

約数の個数: 20

約数和(自身を含む): 35439448

約数和(自身を除く): 17227560

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 4723, 9446, 18892, 37784, 75568, 1138243, 2276486, 4552972, 9105944, 18211888]

約数ペア:

[(1, 18211888), (2, 9105944), (4, 4552972), (8, 2276486), (16, 1138243), (241, 75568), (482, 37784), (964, 18892), (1928, 9446), (3856, 4723)]