19278190

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{419}}^1$

素因数の和:576

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 16646930

約数列:

[1, 2, 5, 10, 43, 86, 107, 214, 215, 419, 430, 535, 838, 1070, 2095, 4190, 4601, 9202, 18017, 23005, 36034, 44833, 46010, 89666, 90085, 180170, 224165, 448330, 1927819, 3855638, 9639095, 19278190]

約数ペア:

[(1, 19278190), (2, 9639095), (5, 3855638), (10, 1927819), (43, 448330), (86, 224165), (107, 180170), (214, 90085), (215, 89666), (419, 46010), (430, 44833), (535, 36034), (838, 23005), (1070, 18017), (2095, 9202), (4190, 4601)]