19996806004

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3187}}^1\times {\mathrm{9743}}^1$

素因数の和:12964

約数の個数: 48

約数和(自身を含む): 41749843968

約数和(自身を除く): 21753037964

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 3187, 6374, 9743, 12748, 19486, 22309, 38972, 44618, 68201, 73301, 89236, 136402, 146602, 224089, 272804, 293204, 448178, 513107, 896356, 1026214, 1568623, 2052428, 3137246, 6274492, 31050941, 62101882, 124203764, 217356587, 434713174, 714171643, 869426348, 1428343286, 2856686572, 4999201501, 9998403002, 19996806004]

約数ペア:

[(1, 19996806004), (2, 9998403002), (4, 4999201501), (7, 2856686572), (14, 1428343286), (23, 869426348), (28, 714171643), (46, 434713174), (92, 217356587), (161, 124203764), (322, 62101882), (644, 31050941), (3187, 6274492), (6374, 3137246), (9743, 2052428), (12748, 1568623), (19486, 1026214), (22309, 896356), (38972, 513107), (44618, 448178), (68201, 293204), (73301, 272804), (89236, 224089), (136402, 146602)]