19174904

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7963}}^1$

素因数の和:8019

約数の個数: 32

約数和(自身を含む): 42049920

約数和(自身を除く): 22875016

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 7963, 15926, 31852, 55741, 63704, 111482, 222964, 342409, 445928, 684818, 1369636, 2396863, 2739272, 4793726, 9587452, 19174904]

約数ペア:

[(1, 19174904), (2, 9587452), (4, 4793726), (7, 2739272), (8, 2396863), (14, 1369636), (28, 684818), (43, 445928), (56, 342409), (86, 222964), (172, 111482), (301, 63704), (344, 55741), (602, 31852), (1204, 15926), (2408, 7963)]