19043720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16417}}^1$

素因数の和:16457

約数の個数: 32

約数和(自身を含む): 44328600

約数和(自身を除く): 25284880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 16417, 32834, 65668, 82085, 131336, 164170, 328340, 476093, 656680, 952186, 1904372, 2380465, 3808744, 4760930, 9521860, 19043720]

約数ペア:

[(1, 19043720), (2, 9521860), (4, 4760930), (5, 3808744), (8, 2380465), (10, 1904372), (20, 952186), (29, 656680), (40, 476093), (58, 328340), (116, 164170), (145, 131336), (232, 82085), (290, 65668), (580, 32834), (1160, 16417)]