19903640430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{663454681}}^1$

素因数の和:663454691

約数の個数: 16

約数和(自身を含む): 47768737104

約数和(自身を除く): 27865096674

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 663454681, 1326909362, 1990364043, 3317273405, 3980728086, 6634546810, 9951820215, 19903640430]

約数ペア:

[(1, 19903640430), (2, 9951820215), (3, 6634546810), (5, 3980728086), (6, 3317273405), (10, 1990364043), (15, 1326909362), (30, 663454681)]