19497366

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{571}}^1$

素因数の和:857

約数の個数: 48

約数和(自身を含む): 48542208

約数和(自身を除く): 29044842

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 271, 542, 571, 813, 1142, 1626, 1713, 1897, 2439, 3426, 3794, 3997, 4878, 5139, 5691, 7994, 10278, 11382, 11991, 17073, 23982, 34146, 35973, 71946, 154741, 309482, 464223, 928446, 1083187, 1392669, 2166374, 2785338, 3249561, 6499122, 9748683, 19497366]

約数ペア:

[(1, 19497366), (2, 9748683), (3, 6499122), (6, 3249561), (7, 2785338), (9, 2166374), (14, 1392669), (18, 1083187), (21, 928446), (42, 464223), (63, 309482), (126, 154741), (271, 71946), (542, 35973), (571, 34146), (813, 23982), (1142, 17073), (1626, 11991), (1713, 11382), (1897, 10278), (2439, 7994), (3426, 5691), (3794, 5139), (3997, 4878)]