19819143

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 29343600

約数和(自身を除く): 9524457

約数列:

[1, 3, 9, 89, 109, 227, 267, 327, 681, 801, 981, 2043, 9701, 20203, 24743, 29103, 60609, 74229, 87309, 181827, 222687, 2202127, 6606381, 19819143]

約数ペア:

[(1, 19819143), (3, 6606381), (9, 2202127), (89, 222687), (109, 181827), (227, 87309), (267, 74229), (327, 60609), (681, 29103), (801, 24743), (981, 20203), (2043, 9701)]