19714864

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:374

約数の個数: 60

約数和(自身を含む): 43296336

約数和(自身を除く): 23581472

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 169, 184, 208, 299, 317, 338, 368, 598, 634, 676, 1196, 1268, 1352, 2392, 2536, 2704, 3887, 4121, 4784, 5072, 7291, 7774, 8242, 14582, 15548, 16484, 29164, 31096, 32968, 53573, 58328, 62192, 65936, 94783, 107146, 116656, 189566, 214292, 379132, 428584, 758264, 857168, 1232179, 1516528, 2464358, 4928716, 9857432, 19714864]

約数ペア:

[(1, 19714864), (2, 9857432), (4, 4928716), (8, 2464358), (13, 1516528), (16, 1232179), (23, 857168), (26, 758264), (46, 428584), (52, 379132), (92, 214292), (104, 189566), (169, 116656), (184, 107146), (208, 94783), (299, 65936), (317, 62192), (338, 58328), (368, 53573), (598, 32968), (634, 31096), (676, 29164), (1196, 16484), (1268, 15548), (1352, 14582), (2392, 8242), (2536, 7774), (2704, 7291), (3887, 5072), (4121, 4784)]