18719238

素因数分解:

$2^1\times 3^1\times {\mathrm{1223}}^1\times {\mathrm{2551}}^1$

素因数の和:3779

約数の個数: 16

約数和(自身を含む): 37483776

約数和(自身を除く): 18764538

約数列:

[1, 2, 3, 6, 1223, 2446, 2551, 3669, 5102, 7338, 7653, 15306, 3119873, 6239746, 9359619, 18719238]

約数ペア:

[(1, 18719238), (2, 9359619), (3, 6239746), (6, 3119873), (1223, 15306), (2446, 7653), (2551, 7338), (3669, 5102)]