18205306

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{769}}^1$

素因数の和:886

約数の個数: 32

約数和(自身を含む): 33264000

約数和(自身を除く): 15058694

約数列:

[1, 2, 7, 14, 19, 38, 89, 133, 178, 266, 623, 769, 1246, 1538, 1691, 3382, 5383, 10766, 11837, 14611, 23674, 29222, 68441, 102277, 136882, 204554, 479087, 958174, 1300379, 2600758, 9102653, 18205306]

約数ペア:

[(1, 18205306), (2, 9102653), (7, 2600758), (14, 1300379), (19, 958174), (38, 479087), (89, 204554), (133, 136882), (178, 102277), (266, 68441), (623, 29222), (769, 23674), (1246, 14611), (1538, 11837), (1691, 10766), (3382, 5383)]