19403469

素因数分解:

$3^4\times {\mathrm{421}}^1\times {\mathrm{569}}^1$

素因数の和:1002

約数の個数: 20

約数和(自身を含む): 29105340

約数和(自身を除く): 9701871

約数列:

[1, 3, 9, 27, 81, 421, 569, 1263, 1707, 3789, 5121, 11367, 15363, 34101, 46089, 239549, 718647, 2155941, 6467823, 19403469]

約数ペア:

[(1, 19403469), (3, 6467823), (9, 2155941), (27, 718647), (81, 239549), (421, 46089), (569, 34101), (1263, 15363), (1707, 11367), (3789, 5121)]