18778728

素因数分解:

$2^3\times 3^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 48568320

約数和(自身を除く): 29789592

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 61, 101, 122, 127, 183, 202, 244, 254, 303, 366, 381, 404, 488, 508, 606, 732, 762, 808, 1016, 1212, 1464, 1524, 2424, 3048, 6161, 7747, 12322, 12827, 15494, 18483, 23241, 24644, 25654, 30988, 36966, 38481, 46482, 49288, 51308, 61976, 73932, 76962, 92964, 102616, 147864, 153924, 185928, 307848, 782447, 1564894, 2347341, 3129788, 4694682, 6259576, 9389364, 18778728]

約数ペア:

[(1, 18778728), (2, 9389364), (3, 6259576), (4, 4694682), (6, 3129788), (8, 2347341), (12, 1564894), (24, 782447), (61, 307848), (101, 185928), (122, 153924), (127, 147864), (183, 102616), (202, 92964), (244, 76962), (254, 73932), (303, 61976), (366, 51308), (381, 49288), (404, 46482), (488, 38481), (508, 36966), (606, 30988), (732, 25654), (762, 24644), (808, 23241), (1016, 18483), (1212, 15494), (1464, 12827), (1524, 12322), (2424, 7747), (3048, 6161)]