19655800

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{4273}}^1$

素因数の和:4312

約数の個数: 48

約数和(自身を含む): 47697840

約数和(自身を除く): 28042040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 184, 200, 230, 460, 575, 920, 1150, 2300, 4273, 4600, 8546, 17092, 21365, 34184, 42730, 85460, 98279, 106825, 170920, 196558, 213650, 393116, 427300, 491395, 786232, 854600, 982790, 1965580, 2456975, 3931160, 4913950, 9827900, 19655800]

約数ペア:

[(1, 19655800), (2, 9827900), (4, 4913950), (5, 3931160), (8, 2456975), (10, 1965580), (20, 982790), (23, 854600), (25, 786232), (40, 491395), (46, 427300), (50, 393116), (92, 213650), (100, 196558), (115, 170920), (184, 106825), (200, 98279), (230, 85460), (460, 42730), (575, 34184), (920, 21365), (1150, 17092), (2300, 8546), (4273, 4600)]