18405280336

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{491}}^1\times {\mathrm{39709}}^1$

素因数の和:40267

約数の個数: 40

約数和(自身を含む): 36339415200

約数和(自身を除く): 17934134864

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 491, 944, 982, 1964, 3928, 7856, 28969, 39709, 57938, 79418, 115876, 158836, 231752, 317672, 463504, 635344, 2342831, 4685662, 9371324, 18742648, 19497119, 37485296, 38994238, 77988476, 155976952, 311953904, 1150330021, 2300660042, 4601320084, 9202640168, 18405280336]

約数ペア:

[(1, 18405280336), (2, 9202640168), (4, 4601320084), (8, 2300660042), (16, 1150330021), (59, 311953904), (118, 155976952), (236, 77988476), (472, 38994238), (491, 37485296), (944, 19497119), (982, 18742648), (1964, 9371324), (3928, 4685662), (7856, 2342831), (28969, 635344), (39709, 463504), (57938, 317672), (79418, 231752), (115876, 158836)]