18156523

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 24053760

約数和(自身を除く): 5897237

約数列:

[1, 7, 11, 29, 47, 77, 173, 203, 319, 329, 517, 1211, 1363, 1903, 2233, 3619, 5017, 8131, 9541, 13321, 14993, 35119, 55187, 56917, 89441, 104951, 235799, 386309, 626087, 1650593, 2593789, 18156523]

約数ペア:

[(1, 18156523), (7, 2593789), (11, 1650593), (29, 626087), (47, 386309), (77, 235799), (173, 104951), (203, 89441), (319, 56917), (329, 55187), (517, 35119), (1211, 14993), (1363, 13321), (1903, 9541), (2233, 8131), (3619, 5017)]