19688069

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{521}}^1$

素因数の和:628

約数の個数: 16

約数和(自身を含む): 21648384

約数和(自身を除く): 1960315

約数列:

[1, 23, 31, 53, 521, 713, 1219, 1643, 11983, 16151, 27613, 37789, 371473, 635099, 856003, 19688069]

約数ペア:

[(1, 19688069), (23, 856003), (31, 635099), (53, 371473), (521, 37789), (713, 27613), (1219, 16151), (1643, 11983)]