18357196

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{479}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 38384640

約数和(自身を除く): 20027444

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 67, 134, 143, 268, 286, 479, 572, 737, 871, 958, 1474, 1742, 1916, 2948, 3484, 5269, 6227, 9581, 10538, 12454, 19162, 21076, 24908, 32093, 38324, 64186, 68497, 128372, 136994, 273988, 353023, 417209, 706046, 834418, 1412092, 1668836, 4589299, 9178598, 18357196]

約数ペア:

[(1, 18357196), (2, 9178598), (4, 4589299), (11, 1668836), (13, 1412092), (22, 834418), (26, 706046), (44, 417209), (52, 353023), (67, 273988), (134, 136994), (143, 128372), (268, 68497), (286, 64186), (479, 38324), (572, 32093), (737, 24908), (871, 21076), (958, 19162), (1474, 12454), (1742, 10538), (1916, 9581), (2948, 6227), (3484, 5269)]