19518688

素因数分解:

$2^5\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1103}}^1$

素因数の和:1199

約数の個数: 48

約数和(自身を含む): 44513280

約数和(自身を除く): 24994592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 79, 112, 158, 224, 316, 553, 632, 1103, 1106, 1264, 2206, 2212, 2528, 4412, 4424, 7721, 8824, 8848, 15442, 17648, 17696, 30884, 35296, 61768, 87137, 123536, 174274, 247072, 348548, 609959, 697096, 1219918, 1394192, 2439836, 2788384, 4879672, 9759344, 19518688]

約数ペア:

[(1, 19518688), (2, 9759344), (4, 4879672), (7, 2788384), (8, 2439836), (14, 1394192), (16, 1219918), (28, 697096), (32, 609959), (56, 348548), (79, 247072), (112, 174274), (158, 123536), (224, 87137), (316, 61768), (553, 35296), (632, 30884), (1103, 17696), (1106, 17648), (1264, 15442), (2206, 8848), (2212, 8824), (2528, 7721), (4412, 4424)]