19205043

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 11276877

約数列:

[1, 3, 11, 13, 33, 39, 89, 143, 267, 429, 503, 979, 1157, 1509, 2937, 3471, 5533, 6539, 12727, 16599, 19617, 38181, 44767, 71929, 134301, 215787, 492437, 581971, 1477311, 1745913, 6401681, 19205043]

約数ペア:

[(1, 19205043), (3, 6401681), (11, 1745913), (13, 1477311), (33, 581971), (39, 492437), (89, 215787), (143, 134301), (267, 71929), (429, 44767), (503, 38181), (979, 19617), (1157, 16599), (1509, 12727), (2937, 6539), (3471, 5533)]