19386987

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{379}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 27998400

約数和(自身を除く): 8611413

約数列:

[1, 3, 17, 51, 59, 177, 289, 379, 867, 1003, 1137, 3009, 6443, 17051, 19329, 22361, 51153, 67083, 109531, 328593, 380137, 1140411, 6462329, 19386987]

約数ペア:

[(1, 19386987), (3, 6462329), (17, 1140411), (51, 380137), (59, 328593), (177, 109531), (289, 67083), (379, 51153), (867, 22361), (1003, 19329), (1137, 17051), (3009, 6443)]