18218955

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{17107}}^1$

素因数の和:17186

約数の個数: 16

約数和(自身を含む): 29562624

約数和(自身を除く): 11343669

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 17107, 51321, 85535, 256605, 1214597, 3643791, 6072985, 18218955]

約数ペア:

[(1, 18218955), (3, 6072985), (5, 3643791), (15, 1214597), (71, 256605), (213, 85535), (355, 51321), (1065, 17107)]