18534177

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{12043}}^1$

素因数の和:12074

約数の個数: 20

約数和(自身を含む): 29146480

約数和(自身を除く): 10612303

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 12043, 36129, 108387, 228817, 325161, 686451, 975483, 2059353, 6178059, 18534177]

約数ペア:

[(1, 18534177), (3, 6178059), (9, 2059353), (19, 975483), (27, 686451), (57, 325161), (81, 228817), (171, 108387), (513, 36129), (1539, 12043)]