19113890

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{13751}}^1$

素因数の和:13897

約数の個数: 16

約数和(自身を含む): 34655040

約数和(自身を除く): 15541150

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 13751, 27502, 68755, 137510, 1911389, 3822778, 9556945, 19113890]

約数ペア:

[(1, 19113890), (2, 9556945), (5, 3822778), (10, 1911389), (139, 137510), (278, 68755), (695, 27502), (1390, 13751)]