18396981

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{283}}^1$

素因数の和:553

約数の個数: 24

約数和(自身を含む): 27645696

約数和(自身を除く): 9248715

約数列:

[1, 3, 9, 31, 93, 233, 279, 283, 699, 849, 2097, 2547, 7223, 8773, 21669, 26319, 65007, 65939, 78957, 197817, 593451, 2044109, 6132327, 18396981]

約数ペア:

[(1, 18396981), (3, 6132327), (9, 2044109), (31, 593451), (93, 197817), (233, 78957), (279, 65939), (283, 65007), (699, 26319), (849, 21669), (2097, 8773), (2547, 7223)]