18121112

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{821}}^1$

素因数の和:947

約数の個数: 32

約数和(自身を含む): 35510400

約数和(自身を除く): 17389288

約数列:

[1, 2, 4, 8, 31, 62, 89, 124, 178, 248, 356, 712, 821, 1642, 2759, 3284, 5518, 6568, 11036, 22072, 25451, 50902, 73069, 101804, 146138, 203608, 292276, 584552, 2265139, 4530278, 9060556, 18121112]

約数ペア:

[(1, 18121112), (2, 9060556), (4, 4530278), (8, 2265139), (31, 584552), (62, 292276), (89, 203608), (124, 146138), (178, 101804), (248, 73069), (356, 50902), (712, 25451), (821, 22072), (1642, 11036), (2759, 6568), (3284, 5518)]