19348371

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9907}}^1$

素因数の和:9951

約数の個数: 24

約数和(自身を含む): 32973824

約数和(自身を除く): 13625453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 9907, 29721, 69349, 89163, 208047, 307117, 624141, 921351, 2149819, 2764053, 6449457, 19348371]

約数ペア:

[(1, 19348371), (3, 6449457), (7, 2764053), (9, 2149819), (21, 921351), (31, 624141), (63, 307117), (93, 208047), (217, 89163), (279, 69349), (651, 29721), (1953, 9907)]