18943737

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1\times {\mathrm{421}}^1$

素因数の和:760

約数の個数: 16

約数和(自身を含む): 25887168

約数和(自身を除く): 6943431

約数列:

[1, 3, 53, 159, 283, 421, 849, 1263, 14999, 22313, 44997, 66939, 119143, 357429, 6314579, 18943737]

約数ペア:

[(1, 18943737), (3, 6314579), (53, 357429), (159, 119143), (283, 66939), (421, 44997), (849, 22313), (1263, 14999)]