19873669977

素因数分解:

$3^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1\times {\mathrm{2731}}^1$

素因数の和:3163

約数の個数: 64

約数和(自身を含む): 34025420800

約数和(自身を除く): 14151750823

約数列:

[1, 3, 7, 9, 21, 27, 63, 139, 189, 277, 417, 831, 973, 1251, 1939, 2493, 2731, 2919, 3753, 5817, 7479, 8193, 8757, 17451, 19117, 24579, 26271, 38503, 52353, 57351, 73737, 115509, 172053, 269521, 346527, 379609, 516159, 756487, 808563, 1039581, 1138827, 2269461, 2425689, 2657263, 3416481, 5295409, 6808383, 7277067, 7971789, 10249443, 15886227, 20425149, 23915367, 47658681, 71746101, 105151693, 142976043, 315455079, 736061851, 946365237, 2208185553, 2839095711, 6624556659, 19873669977]

約数ペア:

[(1, 19873669977), (3, 6624556659), (7, 2839095711), (9, 2208185553), (21, 946365237), (27, 736061851), (63, 315455079), (139, 142976043), (189, 105151693), (277, 71746101), (417, 47658681), (831, 23915367), (973, 20425149), (1251, 15886227), (1939, 10249443), (2493, 7971789), (2731, 7277067), (2919, 6808383), (3753, 5295409), (5817, 3416481), (7479, 2657263), (8193, 2425689), (8757, 2269461), (17451, 1138827), (19117, 1039581), (24579, 808563), (26271, 756487), (38503, 516159), (52353, 379609), (57351, 346527), (73737, 269521), (115509, 172053)]