18977904

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{11981}}^1$

素因数の和:12006

約数の個数: 60

約数和(自身を含む): 57944952

約数和(自身を除く): 38967048

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 396, 528, 792, 1584, 11981, 23962, 35943, 47924, 71886, 95848, 107829, 131791, 143772, 191696, 215658, 263582, 287544, 395373, 431316, 527164, 575088, 790746, 862632, 1054328, 1186119, 1581492, 1725264, 2108656, 2372238, 3162984, 4744476, 6325968, 9488952, 18977904]

約数ペア:

[(1, 18977904), (2, 9488952), (3, 6325968), (4, 4744476), (6, 3162984), (8, 2372238), (9, 2108656), (11, 1725264), (12, 1581492), (16, 1186119), (18, 1054328), (22, 862632), (24, 790746), (33, 575088), (36, 527164), (44, 431316), (48, 395373), (66, 287544), (72, 263582), (88, 215658), (99, 191696), (132, 143772), (144, 131791), (176, 107829), (198, 95848), (264, 71886), (396, 47924), (528, 35943), (792, 23962), (1584, 11981)]