19489030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{177173}}^1$

素因数の和:177191

約数の個数: 16

約数和(自身を含む): 38269584

約数和(自身を除く): 18780554

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 177173, 354346, 885865, 1771730, 1948903, 3897806, 9744515, 19489030]

約数ペア:

[(1, 19489030), (2, 9744515), (5, 3897806), (10, 1948903), (11, 1771730), (22, 885865), (55, 354346), (110, 177173)]