19642865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{18797}}^1$

素因数の和:18832

約数の個数: 16

約数和(自身を含む): 27069120

約数和(自身を除く): 7426255

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 18797, 93985, 206767, 357143, 1033835, 1785715, 3928573, 19642865]

約数ペア:

[(1, 19642865), (5, 3928573), (11, 1785715), (19, 1033835), (55, 357143), (95, 206767), (209, 93985), (1045, 18797)]