19940282279

素因数分解:

${\mathrm{19}}^2\times {\mathrm{197}}^1\times {\mathrm{257}}^1\times {\mathrm{1091}}^1$

素因数の和:1583

約数の個数: 24

約数和(自身を含む): 21253600368

約数和(自身を除く): 1313318089

約数列:

[1, 19, 197, 257, 361, 1091, 3743, 4883, 20729, 50629, 71117, 92777, 214927, 280387, 393851, 961951, 4083613, 5327353, 18277069, 55236239, 77588647, 101219707, 1049488541, 19940282279]

約数ペア:

[(1, 19940282279), (19, 1049488541), (197, 101219707), (257, 77588647), (361, 55236239), (1091, 18277069), (3743, 5327353), (4883, 4083613), (20729, 961951), (50629, 393851), (71117, 280387), (92777, 214927)]