19828930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{180263}}^1$

素因数の和:180281

約数の個数: 16

約数和(自身を含む): 38937024

約数和(自身を除く): 19108094

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 180263, 360526, 901315, 1802630, 1982893, 3965786, 9914465, 19828930]

約数ペア:

[(1, 19828930), (2, 9914465), (5, 3965786), (10, 1982893), (11, 1802630), (22, 901315), (55, 360526), (110, 180263)]