19748512

素因数分解:

$2^5\times 7^1\times {\mathrm{131}}^1\times {\mathrm{673}}^1$

素因数の和:821

約数の個数: 48

約数和(自身を含む): 44839872

約数和(自身を除く): 25091360

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 131, 224, 262, 524, 673, 917, 1048, 1346, 1834, 2096, 2692, 3668, 4192, 4711, 5384, 7336, 9422, 10768, 14672, 18844, 21536, 29344, 37688, 75376, 88163, 150752, 176326, 352652, 617141, 705304, 1234282, 1410608, 2468564, 2821216, 4937128, 9874256, 19748512]

約数ペア:

[(1, 19748512), (2, 9874256), (4, 4937128), (7, 2821216), (8, 2468564), (14, 1410608), (16, 1234282), (28, 705304), (32, 617141), (56, 352652), (112, 176326), (131, 150752), (224, 88163), (262, 75376), (524, 37688), (673, 29344), (917, 21536), (1048, 18844), (1346, 14672), (1834, 10768), (2096, 9422), (2692, 7336), (3668, 5384), (4192, 4711)]