19935861

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{1553}}^1$

素因数の和:1956

約数の個数: 16

約数和(自身を含む): 29090880

約数和(自身を除く): 9155019

約数列:

[1, 3, 11, 33, 389, 1167, 1553, 4279, 4659, 12837, 17083, 51249, 604117, 1812351, 6645287, 19935861]

約数ペア:

[(1, 19935861), (3, 6645287), (11, 1812351), (33, 604117), (389, 51249), (1167, 17083), (1553, 12837), (4279, 4659)]