18971534

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1\times {\mathrm{719}}^1$

素因数の和:967

約数の個数: 16

約数和(自身を含む): 29030400

約数和(自身を除く): 10058866

約数列:

[1, 2, 79, 158, 167, 334, 719, 1438, 13193, 26386, 56801, 113602, 120073, 240146, 9485767, 18971534]

約数ペア:

[(1, 18971534), (2, 9485767), (79, 240146), (158, 120073), (167, 113602), (334, 56801), (719, 26386), (1438, 13193)]