19914897401

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{389}}^1\times {\mathrm{1531}}^1$

素因数の和:2225

約数の個数: 32

約数和(自身を含む): 24262467840

約数和(自身を除く): 4347570439

約数列:

[1, 7, 17, 119, 281, 389, 1531, 1967, 2723, 4777, 6613, 10717, 26027, 33439, 46291, 109309, 182189, 430211, 595559, 765163, 1858253, 3011477, 4168913, 7313587, 10124503, 13007771, 51195109, 70871521, 167352079, 1171464553, 2844985343, 19914897401]

約数ペア:

[(1, 19914897401), (7, 2844985343), (17, 1171464553), (119, 167352079), (281, 70871521), (389, 51195109), (1531, 13007771), (1967, 10124503), (2723, 7313587), (4777, 4168913), (6613, 3011477), (10717, 1858253), (26027, 765163), (33439, 595559), (46291, 430211), (109309, 182189)]