19023277

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 24998400

約数和(自身を除く): 5975123

約数列:

[1, 7, 13, 23, 61, 91, 149, 161, 299, 427, 793, 1043, 1403, 1937, 2093, 3427, 5551, 9089, 9821, 13559, 18239, 23989, 44551, 63623, 118157, 127673, 209047, 311857, 827099, 1463329, 2717611, 19023277]

約数ペア:

[(1, 19023277), (7, 2717611), (13, 1463329), (23, 827099), (61, 311857), (91, 209047), (149, 127673), (161, 118157), (299, 63623), (427, 44551), (793, 23989), (1043, 18239), (1403, 13559), (1937, 9821), (2093, 9089), (3427, 5551)]