19431100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{14947}}^1$

素因数の和:14974

約数の個数: 36

約数和(自身を含む): 45412024

約数和(自身を除く): 25980924

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 14947, 29894, 59788, 74735, 149470, 194311, 298940, 373675, 388622, 747350, 777244, 971555, 1494700, 1943110, 3886220, 4857775, 9715550, 19431100]

約数ペア:

[(1, 19431100), (2, 9715550), (4, 4857775), (5, 3886220), (10, 1943110), (13, 1494700), (20, 971555), (25, 777244), (26, 747350), (50, 388622), (52, 373675), (65, 298940), (100, 194311), (130, 149470), (260, 74735), (325, 59788), (650, 29894), (1300, 14947)]