19096805

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 30334080

約数和(自身を除く): 11237275

約数列:

[1, 5, 7, 13, 19, 35, 47, 65, 91, 95, 133, 235, 247, 329, 455, 611, 665, 893, 1235, 1645, 1729, 2209, 3055, 4277, 4465, 6251, 8645, 11045, 11609, 15463, 21385, 28717, 31255, 41971, 58045, 77315, 81263, 143585, 201019, 209855, 293797, 406315, 545623, 1005095, 1468985, 2728115, 3819361, 19096805]

約数ペア:

[(1, 19096805), (5, 3819361), (7, 2728115), (13, 1468985), (19, 1005095), (35, 545623), (47, 406315), (65, 293797), (91, 209855), (95, 201019), (133, 143585), (235, 81263), (247, 77315), (329, 58045), (455, 41971), (611, 31255), (665, 28717), (893, 21385), (1235, 15463), (1645, 11609), (1729, 11045), (2209, 8645), (3055, 6251), (4277, 4465)]