19421942

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{971}}^1$

素因数の和:1183

約数の個数: 16

約数和(自身を含む): 29778192

約数和(自身を除く): 10356250

約数列:

[1, 2, 73, 137, 146, 274, 971, 1942, 10001, 20002, 70883, 133027, 141766, 266054, 9710971, 19421942]

約数ペア:

[(1, 19421942), (2, 9710971), (73, 266054), (137, 141766), (146, 133027), (274, 70883), (971, 20002), (1942, 10001)]