19603969

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{983}}^1$

素因数の和:1045

約数の個数: 24

約数和(自身を含む): 25576128

約数和(自身を除く): 5972159

約数列:

[1, 7, 11, 37, 49, 77, 259, 407, 539, 983, 1813, 2849, 6881, 10813, 19943, 36371, 48167, 75691, 254597, 400081, 529837, 1782179, 2800567, 19603969]

約数ペア:

[(1, 19603969), (7, 2800567), (11, 1782179), (37, 529837), (49, 400081), (77, 254597), (259, 75691), (407, 48167), (539, 36371), (983, 19943), (1813, 10813), (2849, 6881)]