19782594

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4973}}^1$

素因数の和:5011

約数の個数: 48

約数和(自身を含む): 48884472

約数和(自身を除く): 29101878

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 4973, 9946, 14919, 29838, 44757, 64649, 84541, 89514, 129298, 169082, 193947, 253623, 387894, 507246, 581841, 760869, 1099033, 1163682, 1521738, 2198066, 3297099, 6594198, 9891297, 19782594]

約数ペア:

[(1, 19782594), (2, 9891297), (3, 6594198), (6, 3297099), (9, 2198066), (13, 1521738), (17, 1163682), (18, 1099033), (26, 760869), (34, 581841), (39, 507246), (51, 387894), (78, 253623), (102, 193947), (117, 169082), (153, 129298), (221, 89514), (234, 84541), (306, 64649), (442, 44757), (663, 29838), (1326, 14919), (1989, 9946), (3978, 4973)]