19057731

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 35168256

約数和(自身を除く): 16110525

約数列:

[1, 3, 7, 11, 17, 21, 23, 33, 51, 69, 77, 119, 161, 187, 211, 231, 253, 357, 391, 483, 561, 633, 759, 1173, 1309, 1477, 1771, 2321, 2737, 3587, 3927, 4301, 4431, 4853, 5313, 6963, 8211, 10761, 12903, 14559, 16247, 25109, 30107, 33971, 39457, 48741, 53383, 75327, 82501, 90321, 101913, 118371, 160149, 247503, 276199, 373681, 577507, 828597, 907511, 1121043, 1732521, 2722533, 6352577, 19057731]

約数ペア:

[(1, 19057731), (3, 6352577), (7, 2722533), (11, 1732521), (17, 1121043), (21, 907511), (23, 828597), (33, 577507), (51, 373681), (69, 276199), (77, 247503), (119, 160149), (161, 118371), (187, 101913), (211, 90321), (231, 82501), (253, 75327), (357, 53383), (391, 48741), (483, 39457), (561, 33971), (633, 30107), (759, 25109), (1173, 16247), (1309, 14559), (1477, 12903), (1771, 10761), (2321, 8211), (2737, 6963), (3587, 5313), (3927, 4853), (4301, 4431)]