19381384

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{220243}}^1$

素因数の和:220260

約数の個数: 16

約数和(自身を含む): 39643920

約数和(自身を除く): 20262536

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 220243, 440486, 880972, 1761944, 2422673, 4845346, 9690692, 19381384]

約数ペア:

[(1, 19381384), (2, 9690692), (4, 4845346), (8, 2422673), (11, 1761944), (22, 880972), (44, 440486), (88, 220243)]