19565456

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{673}}^1$

素因数の和:783

約数の個数: 40

約数和(自身を含む): 40116480

約数和(自身を除く): 20551024

約数列:

[1, 2, 4, 8, 16, 23, 46, 79, 92, 158, 184, 316, 368, 632, 673, 1264, 1346, 1817, 2692, 3634, 5384, 7268, 10768, 14536, 15479, 29072, 30958, 53167, 61916, 106334, 123832, 212668, 247664, 425336, 850672, 1222841, 2445682, 4891364, 9782728, 19565456]

約数ペア:

[(1, 19565456), (2, 9782728), (4, 4891364), (8, 2445682), (16, 1222841), (23, 850672), (46, 425336), (79, 247664), (92, 212668), (158, 123832), (184, 106334), (316, 61916), (368, 53167), (632, 30958), (673, 29072), (1264, 15479), (1346, 14536), (1817, 10768), (2692, 7268), (3634, 5384)]