18319994

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{353}}^1$

素因数の和:710

約数の個数: 32

約数和(自身を含む): 34459776

約数和(自身を除く): 16139782

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 337, 353, 674, 706, 2359, 2471, 3707, 3883, 4718, 4942, 7414, 7766, 25949, 27181, 51898, 54362, 118961, 237922, 832727, 1308571, 1665454, 2617142, 9159997, 18319994]

約数ペア:

[(1, 18319994), (2, 9159997), (7, 2617142), (11, 1665454), (14, 1308571), (22, 832727), (77, 237922), (154, 118961), (337, 54362), (353, 51898), (674, 27181), (706, 25949), (2359, 7766), (2471, 7414), (3707, 4942), (3883, 4718)]