18881567642

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{70983337}}^1$

素因数の和:70983365

約数の個数: 16

約数和(自身を含む): 34072002240

約数和(自身を除く): 15190434598

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 70983337, 141966674, 496883359, 993766718, 1348683403, 2697366806, 9440783821, 18881567642]

約数ペア:

[(1, 18881567642), (2, 9440783821), (7, 2697366806), (14, 1348683403), (19, 993766718), (38, 496883359), (133, 141966674), (266, 70983337)]