18274719

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^2$

素因数の和:219

約数の個数: 24

約数和(自身を含む): 26248320

約数和(自身を除く): 7973601

約数列:

[1, 3, 23, 59, 67, 69, 177, 201, 1357, 1541, 3953, 4071, 4489, 4623, 11859, 13467, 90919, 103247, 264851, 272757, 309741, 794553, 6091573, 18274719]

約数ペア:

[(1, 18274719), (3, 6091573), (23, 794553), (59, 309741), (67, 272757), (69, 264851), (177, 103247), (201, 90919), (1357, 13467), (1541, 11859), (3953, 4623), (4071, 4489)]