19122100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{4447}}^1$

素因数の和:4504

約数の個数: 36

約数和(自身を含む): 42469504

約数和(自身を除く): 23347404

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 4447, 8894, 17788, 22235, 44470, 88940, 111175, 191221, 222350, 382442, 444700, 764884, 956105, 1912210, 3824420, 4780525, 9561050, 19122100]

約数ペア:

[(1, 19122100), (2, 9561050), (4, 4780525), (5, 3824420), (10, 1912210), (20, 956105), (25, 764884), (43, 444700), (50, 382442), (86, 222350), (100, 191221), (172, 111175), (215, 88940), (430, 44470), (860, 22235), (1075, 17788), (2150, 8894), (4300, 4447)]