19197290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1973}}^1$

素因数の和:2126

約数の個数: 32

約数和(自身を含む): 39795840

約数和(自身を除く): 20598550

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 1973, 3946, 4865, 9730, 9865, 13811, 19730, 27622, 69055, 138110, 274247, 548494, 1371235, 1919729, 2742470, 3839458, 9598645, 19197290]

約数ペア:

[(1, 19197290), (2, 9598645), (5, 3839458), (7, 2742470), (10, 1919729), (14, 1371235), (35, 548494), (70, 274247), (139, 138110), (278, 69055), (695, 27622), (973, 19730), (1390, 13811), (1946, 9865), (1973, 9730), (3946, 4865)]