18502653

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 27615616

約数和(自身を除く): 9112963

約数列:

[1, 3, 13, 39, 67, 73, 97, 201, 219, 291, 871, 949, 1261, 2613, 2847, 3783, 4891, 6499, 7081, 14673, 19497, 21243, 63583, 84487, 92053, 190749, 253461, 276159, 474427, 1423281, 6167551, 18502653]

約数ペア:

[(1, 18502653), (3, 6167551), (13, 1423281), (39, 474427), (67, 276159), (73, 253461), (97, 190749), (201, 92053), (219, 84487), (291, 63583), (871, 21243), (949, 19497), (1261, 14673), (2613, 7081), (2847, 6499), (3783, 4891)]