18882656

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2389}}^1$

素因数の和:2431

約数の個数: 48

約数和(自身を含む): 42159600

約数和(自身を除く): 23276944

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 2389, 3952, 4778, 7904, 9556, 19112, 31057, 38224, 45391, 62114, 76448, 90782, 124228, 181564, 248456, 363128, 496912, 590083, 726256, 993824, 1180166, 1452512, 2360332, 4720664, 9441328, 18882656]

約数ペア:

[(1, 18882656), (2, 9441328), (4, 4720664), (8, 2360332), (13, 1452512), (16, 1180166), (19, 993824), (26, 726256), (32, 590083), (38, 496912), (52, 363128), (76, 248456), (104, 181564), (152, 124228), (208, 90782), (247, 76448), (304, 62114), (416, 45391), (494, 38224), (608, 31057), (988, 19112), (1976, 9556), (2389, 7904), (3952, 4778)]