18742833

素因数分解:

$3^5\times {\mathrm{137}}^1\times {\mathrm{563}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 28330848

約数和(自身を除く): 9588015

約数列:

[1, 3, 9, 27, 81, 137, 243, 411, 563, 1233, 1689, 3699, 5067, 11097, 15201, 33291, 45603, 77131, 136809, 231393, 694179, 2082537, 6247611, 18742833]

約数ペア:

[(1, 18742833), (3, 6247611), (9, 2082537), (27, 694179), (81, 231393), (137, 136809), (243, 77131), (411, 45603), (563, 33291), (1233, 15201), (1689, 11097), (3699, 5067)]