19023305

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 27371520

約数和(自身を除く): 8348215

約数列:

[1, 5, 7, 31, 35, 89, 155, 197, 217, 445, 623, 985, 1085, 1379, 2759, 3115, 6107, 6895, 13795, 17533, 19313, 30535, 42749, 87665, 96565, 122731, 213745, 543523, 613655, 2717615, 3804661, 19023305]

約数ペア:

[(1, 19023305), (5, 3804661), (7, 2717615), (31, 613655), (35, 543523), (89, 213745), (155, 122731), (197, 96565), (217, 87665), (445, 42749), (623, 30535), (985, 19313), (1085, 17533), (1379, 13795), (2759, 6895), (3115, 6107)]