18739934

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:248

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 11672866

約数列:

[1, 2, 31, 47, 59, 62, 94, 109, 118, 218, 1457, 1829, 2773, 2914, 3379, 3658, 5123, 5546, 6431, 6758, 10246, 12862, 85963, 158813, 171926, 199361, 302257, 317626, 398722, 604514, 9369967, 18739934]

約数ペア:

[(1, 18739934), (2, 9369967), (31, 604514), (47, 398722), (59, 317626), (62, 302257), (94, 199361), (109, 171926), (118, 158813), (218, 85963), (1457, 12862), (1829, 10246), (2773, 6758), (2914, 6431), (3379, 5546), (3658, 5123)]