18319582

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{1019}}^1$

素因数の和:1211

約数の個数: 16

約数和(自身を含む): 28090800

約数和(自身を除く): 9771218

約数列:

[1, 2, 89, 101, 178, 202, 1019, 2038, 8989, 17978, 90691, 102919, 181382, 205838, 9159791, 18319582]

約数ペア:

[(1, 18319582), (2, 9159791), (89, 205838), (101, 181382), (178, 102919), (202, 90691), (1019, 17978), (2038, 8989)]