19558486

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{233}}^1$

素因数の和:348

約数の個数: 24

約数和(自身を含む): 31688280

約数和(自身を除く): 12129794

約数列:

[1, 2, 19, 38, 47, 94, 233, 466, 893, 1786, 2209, 4418, 4427, 8854, 10951, 21902, 41971, 83942, 208069, 416138, 514697, 1029394, 9779243, 19558486]

約数ペア:

[(1, 19558486), (2, 9779243), (19, 1029394), (38, 514697), (47, 416138), (94, 208069), (233, 83942), (466, 41971), (893, 21902), (1786, 10951), (2209, 8854), (4418, 4427)]