19903890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{663463}}^1$

素因数の和:663473

約数の個数: 16

約数和(自身を含む): 47769408

約数和(自身を除く): 27865518

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 663463, 1326926, 1990389, 3317315, 3980778, 6634630, 9951945, 19903890]

約数ペア:

[(1, 19903890), (2, 9951945), (3, 6634630), (5, 3980778), (6, 3317315), (10, 1990389), (15, 1326926), (30, 663463)]