19800930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{28697}}^1$

素因数の和:28730

約数の個数: 32

約数和(自身を含む): 49590144

約数和(自身を除く): 29789214

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 28697, 57394, 86091, 143485, 172182, 286970, 430455, 660031, 860910, 1320062, 1980093, 3300155, 3960186, 6600310, 9900465, 19800930]

約数ペア:

[(1, 19800930), (2, 9900465), (3, 6600310), (5, 3960186), (6, 3300155), (10, 1980093), (15, 1320062), (23, 860910), (30, 660031), (46, 430455), (69, 286970), (115, 172182), (138, 143485), (230, 86091), (345, 57394), (690, 28697)]