19019300

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{2137}}^1$

素因数の和:2240

約数の個数: 36

約数和(自身を含む): 41755140

約数和(自身を除く): 22735840

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 356, 445, 890, 1780, 2137, 2225, 4274, 4450, 8548, 8900, 10685, 21370, 42740, 53425, 106850, 190193, 213700, 380386, 760772, 950965, 1901930, 3803860, 4754825, 9509650, 19019300]

約数ペア:

[(1, 19019300), (2, 9509650), (4, 4754825), (5, 3803860), (10, 1901930), (20, 950965), (25, 760772), (50, 380386), (89, 213700), (100, 190193), (178, 106850), (356, 53425), (445, 42740), (890, 21370), (1780, 10685), (2137, 8900), (2225, 8548), (4274, 4450)]