19858776

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2749}}^1$

素因数の和:2808

約数の個数: 64

約数和(自身を含む): 58080000

約数和(自身を除く): 38221224

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 84, 86, 129, 168, 172, 258, 301, 344, 516, 602, 903, 1032, 1204, 1806, 2408, 2749, 3612, 5498, 7224, 8247, 10996, 16494, 19243, 21992, 32988, 38486, 57729, 65976, 76972, 115458, 118207, 153944, 230916, 236414, 354621, 461832, 472828, 709242, 827449, 945656, 1418484, 1654898, 2482347, 2836968, 3309796, 4964694, 6619592, 9929388, 19858776]

約数ペア:

[(1, 19858776), (2, 9929388), (3, 6619592), (4, 4964694), (6, 3309796), (7, 2836968), (8, 2482347), (12, 1654898), (14, 1418484), (21, 945656), (24, 827449), (28, 709242), (42, 472828), (43, 461832), (56, 354621), (84, 236414), (86, 230916), (129, 153944), (168, 118207), (172, 115458), (258, 76972), (301, 65976), (344, 57729), (516, 38486), (602, 32988), (903, 21992), (1032, 19243), (1204, 16494), (1806, 10996), (2408, 8247), (2749, 7224), (3612, 5498)]