18980491755

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1731007}}^1$

素因数の和:1731075

約数の個数: 32

約数和(自身を含む): 32903000064

約数和(自身を除く): 13922508309

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 129, 215, 255, 645, 731, 2193, 3655, 10965, 1731007, 5193021, 8655035, 25965105, 29427119, 74433301, 88281357, 147135595, 223299903, 372166505, 441406785, 1116499515, 1265366117, 3796098351, 6326830585, 18980491755]

約数ペア:

[(1, 18980491755), (3, 6326830585), (5, 3796098351), (15, 1265366117), (17, 1116499515), (43, 441406785), (51, 372166505), (85, 223299903), (129, 147135595), (215, 88281357), (255, 74433301), (645, 29427119), (731, 25965105), (2193, 8655035), (3655, 5193021), (10965, 1731007)]