18635045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 26732160

約数和(自身を除く): 8097115

約数列:

[1, 5, 11, 13, 55, 65, 67, 143, 335, 389, 715, 737, 871, 1945, 3685, 4279, 4355, 5057, 9581, 21395, 25285, 26063, 47905, 55627, 130315, 278135, 286693, 338819, 1433465, 1694095, 3727009, 18635045]

約数ペア:

[(1, 18635045), (5, 3727009), (11, 1694095), (13, 1433465), (55, 338819), (65, 286693), (67, 278135), (143, 130315), (335, 55627), (389, 47905), (715, 26063), (737, 25285), (871, 21395), (1945, 9581), (3685, 5057), (4279, 4355)]