19701094

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 35228736

約数和(自身を除く): 15527642

約数列:

[1, 2, 7, 14, 37, 73, 74, 146, 259, 511, 518, 521, 1022, 1042, 2701, 3647, 5402, 7294, 18907, 19277, 37814, 38033, 38554, 76066, 134939, 266231, 269878, 532462, 1407221, 2814442, 9850547, 19701094]

約数ペア:

[(1, 19701094), (2, 9850547), (7, 2814442), (14, 1407221), (37, 532462), (73, 269878), (74, 266231), (146, 134939), (259, 76066), (511, 38554), (518, 38033), (521, 37814), (1022, 19277), (1042, 18907), (2701, 7294), (3647, 5402)]