19197444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{509}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 51408000

約数和(自身を除く): 32210556

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 449, 509, 898, 1018, 1347, 1527, 1796, 2036, 2694, 3054, 3143, 3563, 5388, 6108, 6286, 7126, 9429, 10689, 12572, 14252, 18858, 21378, 37716, 42756, 228541, 457082, 685623, 914164, 1371246, 1599787, 2742492, 3199574, 4799361, 6399148, 9598722, 19197444]

約数ペア:

[(1, 19197444), (2, 9598722), (3, 6399148), (4, 4799361), (6, 3199574), (7, 2742492), (12, 1599787), (14, 1371246), (21, 914164), (28, 685623), (42, 457082), (84, 228541), (449, 42756), (509, 37716), (898, 21378), (1018, 18858), (1347, 14252), (1527, 12572), (1796, 10689), (2036, 9429), (2694, 7126), (3054, 6286), (3143, 6108), (3563, 5388)]