18534501

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{5581}}^1$

素因数の和:5634

約数の個数: 20

約数和(自身を含む): 28367724

約数和(自身を除く): 9833223

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 5581, 16743, 50229, 150687, 228821, 452061, 686463, 2059389, 6178167, 18534501]

約数ペア:

[(1, 18534501), (3, 6178167), (9, 2059389), (27, 686463), (41, 452061), (81, 228821), (123, 150687), (369, 50229), (1107, 16743), (3321, 5581)]