17893984

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:263

約数の個数: 48

約数和(自身を含む): 36560160

約数和(自身を除く): 18666176

約数列:

[1, 2, 4, 8, 16, 32, 61, 89, 103, 122, 178, 206, 244, 356, 412, 488, 712, 824, 976, 1424, 1648, 1952, 2848, 3296, 5429, 6283, 9167, 10858, 12566, 18334, 21716, 25132, 36668, 43432, 50264, 73336, 86864, 100528, 146672, 173728, 201056, 293344, 559187, 1118374, 2236748, 4473496, 8946992, 17893984]

約数ペア:

[(1, 17893984), (2, 8946992), (4, 4473496), (8, 2236748), (16, 1118374), (32, 559187), (61, 293344), (89, 201056), (103, 173728), (122, 146672), (178, 100528), (206, 86864), (244, 73336), (356, 50264), (412, 43432), (488, 36668), (712, 25132), (824, 21716), (976, 18334), (1424, 12566), (1648, 10858), (1952, 9167), (2848, 6283), (3296, 5429)]