18211502

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{601}}^1$

素因数の和:851

約数の個数: 16

約数和(自身を含む): 27812400

約数和(自身を除く): 9600898

約数列:

[1, 2, 109, 139, 218, 278, 601, 1202, 15151, 30302, 65509, 83539, 131018, 167078, 9105751, 18211502]

約数ペア:

[(1, 18211502), (2, 9105751), (109, 167078), (139, 131018), (218, 83539), (278, 65509), (601, 30302), (1202, 15151)]