19779072

素因数分解:

$2^9\times 3^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:263

約数の個数: 80

約数和(自身を含む): 53687040

約数和(自身を除く): 33907968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 79, 96, 128, 158, 163, 192, 237, 256, 316, 326, 384, 474, 489, 512, 632, 652, 768, 948, 978, 1264, 1304, 1536, 1896, 1956, 2528, 2608, 3792, 3912, 5056, 5216, 7584, 7824, 10112, 10432, 12877, 15168, 15648, 20224, 20864, 25754, 30336, 31296, 38631, 40448, 41728, 51508, 60672, 62592, 77262, 83456, 103016, 121344, 125184, 154524, 206032, 250368, 309048, 412064, 618096, 824128, 1236192, 1648256, 2472384, 3296512, 4944768, 6593024, 9889536, 19779072]

約数ペア:

[(1, 19779072), (2, 9889536), (3, 6593024), (4, 4944768), (6, 3296512), (8, 2472384), (12, 1648256), (16, 1236192), (24, 824128), (32, 618096), (48, 412064), (64, 309048), (79, 250368), (96, 206032), (128, 154524), (158, 125184), (163, 121344), (192, 103016), (237, 83456), (256, 77262), (316, 62592), (326, 60672), (384, 51508), (474, 41728), (489, 40448), (512, 38631), (632, 31296), (652, 30336), (768, 25754), (948, 20864), (978, 20224), (1264, 15648), (1304, 15168), (1536, 12877), (1896, 10432), (1956, 10112), (2528, 7824), (2608, 7584), (3792, 5216), (3912, 5056)]