19364620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:175

約数の個数: 96

約数和(自身を含む): 47900160

約数和(自身を除く): 28535540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 43, 44, 46, 55, 86, 89, 92, 110, 115, 172, 178, 215, 220, 230, 253, 356, 430, 445, 460, 473, 506, 860, 890, 946, 979, 989, 1012, 1265, 1780, 1892, 1958, 1978, 2047, 2365, 2530, 3827, 3916, 3956, 4094, 4730, 4895, 4945, 5060, 7654, 8188, 9460, 9790, 9890, 10235, 10879, 15308, 19135, 19580, 19780, 20470, 21758, 22517, 38270, 40940, 42097, 43516, 45034, 54395, 76540, 84194, 88021, 90068, 108790, 112585, 168388, 176042, 210485, 217580, 225170, 352084, 420970, 440105, 450340, 841940, 880210, 968231, 1760420, 1936462, 3872924, 4841155, 9682310, 19364620]

約数ペア:

[(1, 19364620), (2, 9682310), (4, 4841155), (5, 3872924), (10, 1936462), (11, 1760420), (20, 968231), (22, 880210), (23, 841940), (43, 450340), (44, 440105), (46, 420970), (55, 352084), (86, 225170), (89, 217580), (92, 210485), (110, 176042), (115, 168388), (172, 112585), (178, 108790), (215, 90068), (220, 88021), (230, 84194), (253, 76540), (356, 54395), (430, 45034), (445, 43516), (460, 42097), (473, 40940), (506, 38270), (860, 22517), (890, 21758), (946, 20470), (979, 19780), (989, 19580), (1012, 19135), (1265, 15308), (1780, 10879), (1892, 10235), (1958, 9890), (1978, 9790), (2047, 9460), (2365, 8188), (2530, 7654), (3827, 5060), (3916, 4945), (3956, 4895), (4094, 4730)]