19471185

素因数分解:

$3^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{367}}^1$

素因数の和:515

約数の個数: 40

約数和(自身を含む): 35266176

約数和(自身を除く): 15794991

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 131, 135, 367, 393, 405, 655, 1101, 1179, 1835, 1965, 3303, 3537, 5505, 5895, 9909, 10611, 16515, 17685, 29727, 48077, 49545, 53055, 144231, 148635, 240385, 432693, 721155, 1298079, 2163465, 3894237, 6490395, 19471185]

約数ペア:

[(1, 19471185), (3, 6490395), (5, 3894237), (9, 2163465), (15, 1298079), (27, 721155), (45, 432693), (81, 240385), (131, 148635), (135, 144231), (367, 53055), (393, 49545), (405, 48077), (655, 29727), (1101, 17685), (1179, 16515), (1835, 10611), (1965, 9909), (3303, 5895), (3537, 5505)]