18728478

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{24197}}^1$

素因数の和:24248

約数の個数: 24

約数和(自身を含む): 41523768

約数和(自身を除く): 22795290

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 24197, 48394, 72591, 145182, 217773, 435546, 1040471, 2080942, 3121413, 6242826, 9364239, 18728478]

約数ペア:

[(1, 18728478), (2, 9364239), (3, 6242826), (6, 3121413), (9, 2080942), (18, 1040471), (43, 435546), (86, 217773), (129, 145182), (258, 72591), (387, 48394), (774, 24197)]