19951956

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{10457}}^1$

素因数の和:10520

約数の個数: 36

約数和(自身を含む): 51390612

約数和(自身を除く): 31438656

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 10457, 20914, 31371, 41828, 62742, 94113, 125484, 188226, 376452, 554221, 1108442, 1662663, 2216884, 3325326, 4987989, 6650652, 9975978, 19951956]

約数ペア:

[(1, 19951956), (2, 9975978), (3, 6650652), (4, 4987989), (6, 3325326), (9, 2216884), (12, 1662663), (18, 1108442), (36, 554221), (53, 376452), (106, 188226), (159, 125484), (212, 94113), (318, 62742), (477, 41828), (636, 31371), (954, 20914), (1908, 10457)]