19495630

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3617}}^1$

素因数の和:3649

約数の個数: 48

約数和(自身を含む): 44544816

約数和(自身を除く): 25049186

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 3617, 5390, 7234, 18085, 25319, 36170, 39787, 50638, 79574, 126595, 177233, 198935, 253190, 278509, 354466, 397870, 557018, 886165, 1392545, 1772330, 1949563, 2785090, 3899126, 9747815, 19495630]

約数ペア:

[(1, 19495630), (2, 9747815), (5, 3899126), (7, 2785090), (10, 1949563), (11, 1772330), (14, 1392545), (22, 886165), (35, 557018), (49, 397870), (55, 354466), (70, 278509), (77, 253190), (98, 198935), (110, 177233), (154, 126595), (245, 79574), (385, 50638), (490, 39787), (539, 36170), (770, 25319), (1078, 18085), (2695, 7234), (3617, 5390)]