18850990

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{12007}}^1$

素因数の和:12171

約数の個数: 16

約数和(自身を含む): 34150752

約数和(自身を除く): 15299762

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 12007, 24014, 60035, 120070, 1885099, 3770198, 9425495, 18850990]

約数ペア:

[(1, 18850990), (2, 9425495), (5, 3770198), (10, 1885099), (157, 120070), (314, 60035), (785, 24014), (1570, 12007)]