18823148

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{857}}^1$

素因数の和:914

約数の個数: 36

約数和(自身を含む): 36876840

約数和(自身を除く): 18053692

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 289, 323, 578, 646, 857, 1156, 1292, 1714, 3428, 5491, 10982, 14569, 16283, 21964, 29138, 32566, 58276, 65132, 247673, 276811, 495346, 553622, 990692, 1107244, 4705787, 9411574, 18823148]

約数ペア:

[(1, 18823148), (2, 9411574), (4, 4705787), (17, 1107244), (19, 990692), (34, 553622), (38, 495346), (68, 276811), (76, 247673), (289, 65132), (323, 58276), (578, 32566), (646, 29138), (857, 21964), (1156, 16283), (1292, 14569), (1714, 10982), (3428, 5491)]