18695481

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{38707}}^1$

素因数の和:38740

約数の個数: 16

約数和(自身を含む): 29727744

約数和(自身を除く): 11032263

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 38707, 116121, 270949, 812847, 890261, 2670783, 6231827, 18695481]

約数ペア:

[(1, 18695481), (3, 6231827), (7, 2670783), (21, 890261), (23, 812847), (69, 270949), (161, 116121), (483, 38707)]