18720232477

素因数分解:

${\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2269}}^1\times {\mathrm{4363}}^1$

素因数の和:6724

約数の個数: 16

約数和(自身を含む): 19654059520

約数和(自身を除く): 933827043

約数列:

[1, 31, 61, 1891, 2269, 4363, 70339, 135253, 138409, 266143, 4290679, 8250433, 9899647, 306889057, 603878467, 18720232477]

約数ペア:

[(1, 18720232477), (31, 603878467), (61, 306889057), (1891, 9899647), (2269, 8250433), (4363, 4290679), (70339, 266143), (135253, 138409)]