19321720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43913}}^1$

素因数の和:43935

約数の個数: 32

約数和(自身を含む): 47427120

約数和(自身を除く): 28105400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 43913, 87826, 175652, 219565, 351304, 439130, 483043, 878260, 966086, 1756520, 1932172, 2415215, 3864344, 4830430, 9660860, 19321720]

約数ペア:

[(1, 19321720), (2, 9660860), (4, 4830430), (5, 3864344), (8, 2415215), (10, 1932172), (11, 1756520), (20, 966086), (22, 878260), (40, 483043), (44, 439130), (55, 351304), (88, 219565), (110, 175652), (220, 87826), (440, 43913)]