18397519

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2917}}^1$

素因数の和:2994

約数の個数: 16

約数和(自身を含む): 22690368

約数和(自身を除く): 4292849

約数列:

[1, 7, 17, 53, 119, 371, 901, 2917, 6307, 20419, 49589, 154601, 347123, 1082207, 2628217, 18397519]

約数ペア:

[(1, 18397519), (7, 2628217), (17, 1082207), (53, 347123), (119, 154601), (371, 49589), (901, 20419), (2917, 6307)]