18021386

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 29937600

約数和(自身を除く): 11916214

約数列:

[1, 2, 19, 38, 41, 43, 82, 86, 269, 538, 779, 817, 1558, 1634, 1763, 3526, 5111, 10222, 11029, 11567, 22058, 23134, 33497, 66994, 209551, 219773, 419102, 439546, 474247, 948494, 9010693, 18021386]

約数ペア:

[(1, 18021386), (2, 9010693), (19, 948494), (38, 474247), (41, 439546), (43, 419102), (82, 219773), (86, 209551), (269, 66994), (538, 33497), (779, 23134), (817, 22058), (1558, 11567), (1634, 11029), (1763, 10222), (3526, 5111)]