18744260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{461}}^1$

素因数の和:596

約数の個数: 48

約数和(自身を含む): 41912640

約数和(自身を除く): 23168380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 107, 190, 214, 380, 428, 461, 535, 922, 1070, 1844, 2033, 2140, 2305, 4066, 4610, 8132, 8759, 9220, 10165, 17518, 20330, 35036, 40660, 43795, 49327, 87590, 98654, 175180, 197308, 246635, 493270, 937213, 986540, 1874426, 3748852, 4686065, 9372130, 18744260]

約数ペア:

[(1, 18744260), (2, 9372130), (4, 4686065), (5, 3748852), (10, 1874426), (19, 986540), (20, 937213), (38, 493270), (76, 246635), (95, 197308), (107, 175180), (190, 98654), (214, 87590), (380, 49327), (428, 43795), (461, 40660), (535, 35036), (922, 20330), (1070, 17518), (1844, 10165), (2033, 9220), (2140, 8759), (2305, 8132), (4066, 4610)]