19943788

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{9461}}^1$

素因数の和:9513

約数の個数: 24

約数和(自身を含む): 38150784

約数和(自身を除く): 18206996

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 527, 1054, 2108, 9461, 18922, 37844, 160837, 293291, 321674, 586582, 643348, 1173164, 4985947, 9971894, 19943788]

約数ペア:

[(1, 19943788), (2, 9971894), (4, 4985947), (17, 1173164), (31, 643348), (34, 586582), (62, 321674), (68, 293291), (124, 160837), (527, 37844), (1054, 18922), (2108, 9461)]