18996847957

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{2371}}^1$

素因数の和:2705

約数の個数: 32

約数和(自身を含む): 21083095040

約数和(自身を除く): 2086247083

約数列:

[1, 19, 31, 61, 223, 589, 1159, 1891, 2371, 4237, 6913, 13603, 35929, 45049, 73501, 131347, 144631, 258457, 421693, 528733, 1396519, 2747989, 4483561, 8012167, 10045927, 16390723, 32252713, 85187659, 311423737, 612801547, 999834103, 18996847957]

約数ペア:

[(1, 18996847957), (19, 999834103), (31, 612801547), (61, 311423737), (223, 85187659), (589, 32252713), (1159, 16390723), (1891, 10045927), (2371, 8012167), (4237, 4483561), (6913, 2747989), (13603, 1396519), (35929, 528733), (45049, 421693), (73501, 258457), (131347, 144631)]