18466911

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:495

約数の個数: 24

約数和(自身を含む): 27518400

約数和(自身を除く): 9051489

約数列:

[1, 3, 9, 47, 141, 149, 293, 423, 447, 879, 1341, 2637, 7003, 13771, 21009, 41313, 43657, 63027, 123939, 130971, 392913, 2051879, 6155637, 18466911]

約数ペア:

[(1, 18466911), (3, 6155637), (9, 2051879), (47, 392913), (141, 130971), (149, 123939), (293, 63027), (423, 43657), (447, 41313), (879, 21009), (1341, 13771), (2637, 7003)]