19805866

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{3121}}^1$

素因数の和:3309

約数の個数: 16

約数和(自身を含む): 31469760

約数和(自身を除く): 11663894

約数列:

[1, 2, 19, 38, 167, 334, 3121, 3173, 6242, 6346, 59299, 118598, 521207, 1042414, 9902933, 19805866]

約数ペア:

[(1, 19805866), (2, 9902933), (19, 1042414), (38, 521207), (167, 118598), (334, 59299), (3121, 6346), (3173, 6242)]