19001109

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{1181}}^1$

素因数の和:1388

約数の個数: 16

約数和(自身を含む): 26325504

約数和(自身を除く): 7324395

約数列:

[1, 3, 31, 93, 173, 519, 1181, 3543, 5363, 16089, 36611, 109833, 204313, 612939, 6333703, 19001109]

約数ペア:

[(1, 19001109), (3, 6333703), (31, 612939), (93, 204313), (173, 109833), (519, 36611), (1181, 16089), (3543, 5363)]