18214690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{839}}^1$

素因数の和:1026

約数の個数: 32

約数和(自身を含む): 35562240

約数和(自身を除く): 17347550

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 167, 334, 835, 839, 1670, 1678, 2171, 4195, 4342, 8390, 10855, 10907, 21710, 21814, 54535, 109070, 140113, 280226, 700565, 1401130, 1821469, 3642938, 9107345, 18214690]

約数ペア:

[(1, 18214690), (2, 9107345), (5, 3642938), (10, 1821469), (13, 1401130), (26, 700565), (65, 280226), (130, 140113), (167, 109070), (334, 54535), (835, 21814), (839, 21710), (1670, 10907), (1678, 10855), (2171, 8390), (4195, 4342)]