18683084

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{433}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 39664128

約数和(自身を除く): 20981044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 67, 92, 134, 161, 268, 322, 433, 469, 644, 866, 938, 1541, 1732, 1876, 3031, 3082, 6062, 6164, 9959, 10787, 12124, 19918, 21574, 29011, 39836, 43148, 58022, 69713, 116044, 139426, 203077, 278852, 406154, 667253, 812308, 1334506, 2669012, 4670771, 9341542, 18683084]

約数ペア:

[(1, 18683084), (2, 9341542), (4, 4670771), (7, 2669012), (14, 1334506), (23, 812308), (28, 667253), (46, 406154), (67, 278852), (92, 203077), (134, 139426), (161, 116044), (268, 69713), (322, 58022), (433, 43148), (469, 39836), (644, 29011), (866, 21574), (938, 19918), (1541, 12124), (1732, 10787), (1876, 9959), (3031, 6164), (3082, 6062)]