18733468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 37851520

約数和(自身を除く): 19118052

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 67, 76, 134, 247, 268, 283, 494, 566, 871, 988, 1132, 1273, 1742, 2546, 3484, 3679, 5092, 5377, 7358, 10754, 14716, 16549, 18961, 21508, 33098, 37922, 66196, 69901, 75844, 139802, 246493, 279604, 360259, 492986, 720518, 985972, 1441036, 4683367, 9366734, 18733468]

約数ペア:

[(1, 18733468), (2, 9366734), (4, 4683367), (13, 1441036), (19, 985972), (26, 720518), (38, 492986), (52, 360259), (67, 279604), (76, 246493), (134, 139802), (247, 75844), (268, 69901), (283, 66196), (494, 37922), (566, 33098), (871, 21508), (988, 18961), (1132, 16549), (1273, 14716), (1742, 10754), (2546, 7358), (3484, 5377), (3679, 5092)]