19550900

素因数分解:

$2^2\times 5^2\times {\mathrm{193}}^1\times {\mathrm{1013}}^1$

素因数の和:1220

約数の個数: 36

約数和(自身を含む): 42687372

約数和(自身を除く): 23136472

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 193, 386, 772, 965, 1013, 1930, 2026, 3860, 4052, 4825, 5065, 9650, 10130, 19300, 20260, 25325, 50650, 101300, 195509, 391018, 782036, 977545, 1955090, 3910180, 4887725, 9775450, 19550900]

約数ペア:

[(1, 19550900), (2, 9775450), (4, 4887725), (5, 3910180), (10, 1955090), (20, 977545), (25, 782036), (50, 391018), (100, 195509), (193, 101300), (386, 50650), (772, 25325), (965, 20260), (1013, 19300), (1930, 10130), (2026, 9650), (3860, 5065), (4052, 4825)]