19580704

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:434

約数の個数: 72

約数和(自身を含む): 45749340

約数和(自身を除く): 26168636

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 121, 143, 176, 208, 242, 286, 352, 389, 416, 484, 572, 778, 968, 1144, 1556, 1573, 1936, 2288, 3112, 3146, 3872, 4279, 4576, 5057, 6224, 6292, 8558, 10114, 12448, 12584, 17116, 20228, 25168, 34232, 40456, 47069, 50336, 55627, 68464, 80912, 94138, 111254, 136928, 161824, 188276, 222508, 376552, 445016, 611897, 753104, 890032, 1223794, 1506208, 1780064, 2447588, 4895176, 9790352, 19580704]

約数ペア:

[(1, 19580704), (2, 9790352), (4, 4895176), (8, 2447588), (11, 1780064), (13, 1506208), (16, 1223794), (22, 890032), (26, 753104), (32, 611897), (44, 445016), (52, 376552), (88, 222508), (104, 188276), (121, 161824), (143, 136928), (176, 111254), (208, 94138), (242, 80912), (286, 68464), (352, 55627), (389, 50336), (416, 47069), (484, 40456), (572, 34232), (778, 25168), (968, 20228), (1144, 17116), (1556, 12584), (1573, 12448), (1936, 10114), (2288, 8558), (3112, 6292), (3146, 6224), (3872, 5057), (4279, 4576)]