19099928

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 36916560

約数和(自身を除く): 17816632

約数列:

[1, 2, 4, 8, 53, 106, 107, 212, 214, 421, 424, 428, 842, 856, 1684, 3368, 5671, 11342, 22313, 22684, 44626, 45047, 45368, 89252, 90094, 178504, 180188, 360376, 2387491, 4774982, 9549964, 19099928]

約数ペア:

[(1, 19099928), (2, 9549964), (4, 4774982), (8, 2387491), (53, 360376), (106, 180188), (107, 178504), (212, 90094), (214, 89252), (421, 45368), (424, 45047), (428, 44626), (842, 22684), (856, 22313), (1684, 11342), (3368, 5671)]