19796010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{263}}^1$

素因数の和:479

約数の個数: 64

約数和(自身を含む): 51625728

約数和(自身を除く): 31829718

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 193, 195, 263, 386, 390, 526, 579, 789, 965, 1158, 1315, 1578, 1930, 2509, 2630, 2895, 3419, 3945, 5018, 5790, 6838, 7527, 7890, 10257, 12545, 15054, 17095, 20514, 25090, 34190, 37635, 50759, 51285, 75270, 101518, 102570, 152277, 253795, 304554, 507590, 659867, 761385, 1319734, 1522770, 1979601, 3299335, 3959202, 6598670, 9898005, 19796010]

約数ペア:

[(1, 19796010), (2, 9898005), (3, 6598670), (5, 3959202), (6, 3299335), (10, 1979601), (13, 1522770), (15, 1319734), (26, 761385), (30, 659867), (39, 507590), (65, 304554), (78, 253795), (130, 152277), (193, 102570), (195, 101518), (263, 75270), (386, 51285), (390, 50759), (526, 37635), (579, 34190), (789, 25090), (965, 20514), (1158, 17095), (1315, 15054), (1578, 12545), (1930, 10257), (2509, 7890), (2630, 7527), (2895, 6838), (3419, 5790), (3945, 5018)]