19888977

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1667}}^1$

素因数の和:1808

約数の個数: 16

約数和(自身を含む): 27461952

約数和(自身を除く): 7572975

約数列:

[1, 3, 41, 97, 123, 291, 1667, 3977, 5001, 11931, 68347, 161699, 205041, 485097, 6629659, 19888977]

約数ペア:

[(1, 19888977), (3, 6629659), (41, 485097), (97, 205041), (123, 161699), (291, 68347), (1667, 11931), (3977, 5001)]