18747738

素因数分解:

$2^1\times 3^2\times {\mathrm{991}}^1\times {\mathrm{1051}}^1$

素因数の和:2050

約数の個数: 24

約数和(自身を含む): 40699776

約数和(自身を除く): 21952038

約数列:

[1, 2, 3, 6, 9, 18, 991, 1051, 1982, 2102, 2973, 3153, 5946, 6306, 8919, 9459, 17838, 18918, 1041541, 2083082, 3124623, 6249246, 9373869, 18747738]

約数ペア:

[(1, 18747738), (2, 9373869), (3, 6249246), (6, 3124623), (9, 2083082), (18, 1041541), (991, 18918), (1051, 17838), (1982, 9459), (2102, 8919), (2973, 6306), (3153, 5946)]