19365075

素因数分解:

$3^4\times 5^2\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:226

約数の個数: 60

約数和(自身を含む): 36639768

約数和(自身を除く): 17274693

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 73, 75, 81, 131, 135, 219, 225, 365, 393, 405, 655, 657, 675, 1095, 1179, 1825, 1965, 1971, 2025, 3275, 3285, 3537, 5475, 5895, 5913, 9563, 9825, 9855, 10611, 16425, 17685, 28689, 29475, 29565, 47815, 49275, 53055, 86067, 88425, 143445, 147825, 239075, 258201, 265275, 430335, 717225, 774603, 1291005, 2151675, 3873015, 6455025, 19365075]

約数ペア:

[(1, 19365075), (3, 6455025), (5, 3873015), (9, 2151675), (15, 1291005), (25, 774603), (27, 717225), (45, 430335), (73, 265275), (75, 258201), (81, 239075), (131, 147825), (135, 143445), (219, 88425), (225, 86067), (365, 53055), (393, 49275), (405, 47815), (655, 29565), (657, 29475), (675, 28689), (1095, 17685), (1179, 16425), (1825, 10611), (1965, 9855), (1971, 9825), (2025, 9563), (3275, 5913), (3285, 5895), (3537, 5475)]