19710516

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{509}}^1$

素因数の和:984

約数の個数: 48

約数和(自身を含む): 52778880

約数和(自身を除く): 33068364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 461, 509, 922, 1018, 1383, 1527, 1844, 2036, 2766, 3054, 3227, 3563, 5532, 6108, 6454, 7126, 9681, 10689, 12908, 14252, 19362, 21378, 38724, 42756, 234649, 469298, 703947, 938596, 1407894, 1642543, 2815788, 3285086, 4927629, 6570172, 9855258, 19710516]

約数ペア:

[(1, 19710516), (2, 9855258), (3, 6570172), (4, 4927629), (6, 3285086), (7, 2815788), (12, 1642543), (14, 1407894), (21, 938596), (28, 703947), (42, 469298), (84, 234649), (461, 42756), (509, 38724), (922, 21378), (1018, 19362), (1383, 14252), (1527, 12908), (1844, 10689), (2036, 9681), (2766, 7126), (3054, 6454), (3227, 6108), (3563, 5532)]