18752745

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1277}}^1$

素因数の和:1385

約数の個数: 32

約数和(自身を含む): 33125760

約数和(自身を除く): 14373015

約数列:

[1, 3, 5, 11, 15, 33, 55, 89, 165, 267, 445, 979, 1277, 1335, 2937, 3831, 4895, 6385, 14047, 14685, 19155, 42141, 70235, 113653, 210705, 340959, 568265, 1250183, 1704795, 3750549, 6250915, 18752745]

約数ペア:

[(1, 18752745), (3, 6250915), (5, 3750549), (11, 1704795), (15, 1250183), (33, 568265), (55, 340959), (89, 210705), (165, 113653), (267, 70235), (445, 42141), (979, 19155), (1277, 14685), (1335, 14047), (2937, 6385), (3831, 4895)]