18883616

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:477

約数の個数: 48

約数和(自身を含む): 39213720

約数和(自身を除く): 20330104

約数列:

[1, 2, 4, 8, 16, 32, 37, 41, 74, 82, 148, 164, 296, 328, 389, 592, 656, 778, 1184, 1312, 1517, 1556, 3034, 3112, 6068, 6224, 12136, 12448, 14393, 15949, 24272, 28786, 31898, 48544, 57572, 63796, 115144, 127592, 230288, 255184, 460576, 510368, 590113, 1180226, 2360452, 4720904, 9441808, 18883616]

約数ペア:

[(1, 18883616), (2, 9441808), (4, 4720904), (8, 2360452), (16, 1180226), (32, 590113), (37, 510368), (41, 460576), (74, 255184), (82, 230288), (148, 127592), (164, 115144), (296, 63796), (328, 57572), (389, 48544), (592, 31898), (656, 28786), (778, 24272), (1184, 15949), (1312, 14393), (1517, 12448), (1556, 12136), (3034, 6224), (3112, 6068)]