19484990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1609}}^1$

素因数の和:1796

約数の個数: 32

約数和(自身を含む): 40340160

約数和(自身を除く): 20855170

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 173, 346, 865, 1211, 1609, 1730, 2422, 3218, 6055, 8045, 11263, 12110, 16090, 22526, 56315, 112630, 278357, 556714, 1391785, 1948499, 2783570, 3896998, 9742495, 19484990]

約数ペア:

[(1, 19484990), (2, 9742495), (5, 3896998), (7, 2783570), (10, 1948499), (14, 1391785), (35, 556714), (70, 278357), (173, 112630), (346, 56315), (865, 22526), (1211, 16090), (1609, 12110), (1730, 11263), (2422, 8045), (3218, 6055)]