19309779

素因数分解:

$3^3\times {\mathrm{113}}^1\times {\mathrm{6329}}^1$

素因数の和:6451

約数の個数: 16

約数和(自身を含む): 28864800

約数和(自身を除く): 9555021

約数列:

[1, 3, 9, 27, 113, 339, 1017, 3051, 6329, 18987, 56961, 170883, 715177, 2145531, 6436593, 19309779]

約数ペア:

[(1, 19309779), (3, 6436593), (9, 2145531), (27, 715177), (113, 170883), (339, 56961), (1017, 18987), (3051, 6329)]