19019840

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{1213}}^1$

素因数の和:1244

約数の個数: 84

約数和(自身を含む): 52728876

約数和(自身を除く): 33709036

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1213, 1568, 1960, 2240, 2426, 3136, 3920, 4852, 6065, 7840, 8491, 9704, 12130, 15680, 16982, 19408, 24260, 33964, 38816, 42455, 48520, 59437, 67928, 77632, 84910, 97040, 118874, 135856, 169820, 194080, 237748, 271712, 297185, 339640, 388160, 475496, 543424, 594370, 679280, 950992, 1188740, 1358560, 1901984, 2377480, 2717120, 3803968, 4754960, 9509920, 19019840]

約数ペア:

[(1, 19019840), (2, 9509920), (4, 4754960), (5, 3803968), (7, 2717120), (8, 2377480), (10, 1901984), (14, 1358560), (16, 1188740), (20, 950992), (28, 679280), (32, 594370), (35, 543424), (40, 475496), (49, 388160), (56, 339640), (64, 297185), (70, 271712), (80, 237748), (98, 194080), (112, 169820), (140, 135856), (160, 118874), (196, 97040), (224, 84910), (245, 77632), (280, 67928), (320, 59437), (392, 48520), (448, 42455), (490, 38816), (560, 33964), (784, 24260), (980, 19408), (1120, 16982), (1213, 15680), (1568, 12130), (1960, 9704), (2240, 8491), (2426, 7840), (3136, 6065), (3920, 4852)]