18995498

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{2029}}^1$

素因数の和:2213

約数の個数: 16

約数和(自身を含む): 29621760

約数和(自身を除く): 10626262

約数列:

[1, 2, 31, 62, 151, 302, 2029, 4058, 4681, 9362, 62899, 125798, 306379, 612758, 9497749, 18995498]

約数ペア:

[(1, 18995498), (2, 9497749), (31, 612758), (62, 306379), (151, 125798), (302, 62899), (2029, 9362), (4058, 4681)]