19893897

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{17971}}^1$

素因数の和:18021

約数の個数: 16

約数和(自身を含む): 30192960

約数和(自身を除く): 10299063

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 17971, 53913, 161739, 485217, 736811, 2210433, 6631299, 19893897]

約数ペア:

[(1, 19893897), (3, 6631299), (9, 2210433), (27, 736811), (41, 485217), (123, 161739), (369, 53913), (1107, 17971)]