19345400

素因数分解:

$2^3\times 5^2\times {\mathrm{197}}^1\times {\mathrm{491}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 45298440

約数和(自身を除く): 25953040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 197, 200, 394, 491, 788, 982, 985, 1576, 1964, 1970, 2455, 3928, 3940, 4910, 4925, 7880, 9820, 9850, 12275, 19640, 19700, 24550, 39400, 49100, 96727, 98200, 193454, 386908, 483635, 773816, 967270, 1934540, 2418175, 3869080, 4836350, 9672700, 19345400]

約数ペア:

[(1, 19345400), (2, 9672700), (4, 4836350), (5, 3869080), (8, 2418175), (10, 1934540), (20, 967270), (25, 773816), (40, 483635), (50, 386908), (100, 193454), (197, 98200), (200, 96727), (394, 49100), (491, 39400), (788, 24550), (982, 19700), (985, 19640), (1576, 12275), (1964, 9850), (1970, 9820), (2455, 7880), (3928, 4925), (3940, 4910)]