16805804

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{557}}^1$

素因数の和:977

約数の個数: 24

約数和(自身を含む): 31091760

約数和(自身を除く): 14285956

約数列:

[1, 2, 4, 19, 38, 76, 397, 557, 794, 1114, 1588, 2228, 7543, 10583, 15086, 21166, 30172, 42332, 221129, 442258, 884516, 4201451, 8402902, 16805804]

約数ペア:

[(1, 16805804), (2, 8402902), (4, 4201451), (19, 884516), (38, 442258), (76, 221129), (397, 42332), (557, 30172), (794, 21166), (1114, 15086), (1588, 10583), (2228, 7543)]