19799584

素因数分解:

$2^5\times 7^1\times {\mathrm{157}}^1\times {\mathrm{563}}^1$

素因数の和:737

約数の個数: 48

約数和(自身を含む): 44912448

約数和(自身を除く): 25112864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 157, 224, 314, 563, 628, 1099, 1126, 1256, 2198, 2252, 2512, 3941, 4396, 4504, 5024, 7882, 8792, 9008, 15764, 17584, 18016, 31528, 35168, 63056, 88391, 126112, 176782, 353564, 618737, 707128, 1237474, 1414256, 2474948, 2828512, 4949896, 9899792, 19799584]

約数ペア:

[(1, 19799584), (2, 9899792), (4, 4949896), (7, 2828512), (8, 2474948), (14, 1414256), (16, 1237474), (28, 707128), (32, 618737), (56, 353564), (112, 176782), (157, 126112), (224, 88391), (314, 63056), (563, 35168), (628, 31528), (1099, 18016), (1126, 17584), (1256, 15764), (2198, 9008), (2252, 8792), (2512, 7882), (3941, 5024), (4396, 4504)]