19964682

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{967}}^1$

素因数の和:1043

約数の個数: 48

約数和(自身を含む): 45906432

約数和(自身を除く): 25941750

約数列:

[1, 2, 3, 6, 9, 18, 31, 37, 62, 74, 93, 111, 186, 222, 279, 333, 558, 666, 967, 1147, 1934, 2294, 2901, 3441, 5802, 6882, 8703, 10323, 17406, 20646, 29977, 35779, 59954, 71558, 89931, 107337, 179862, 214674, 269793, 322011, 539586, 644022, 1109149, 2218298, 3327447, 6654894, 9982341, 19964682]

約数ペア:

[(1, 19964682), (2, 9982341), (3, 6654894), (6, 3327447), (9, 2218298), (18, 1109149), (31, 644022), (37, 539586), (62, 322011), (74, 269793), (93, 214674), (111, 179862), (186, 107337), (222, 89931), (279, 71558), (333, 59954), (558, 35779), (666, 29977), (967, 20646), (1147, 17406), (1934, 10323), (2294, 8703), (2901, 6882), (3441, 5802)]