19898300

素因数分解:

$2^2\times 5^2\times {\mathrm{193}}^1\times {\mathrm{1031}}^1$

素因数の和:1238

約数の個数: 36

約数和(自身を含む): 43445136

約数和(自身を除く): 23546836

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 193, 386, 772, 965, 1031, 1930, 2062, 3860, 4124, 4825, 5155, 9650, 10310, 19300, 20620, 25775, 51550, 103100, 198983, 397966, 795932, 994915, 1989830, 3979660, 4974575, 9949150, 19898300]

約数ペア:

[(1, 19898300), (2, 9949150), (4, 4974575), (5, 3979660), (10, 1989830), (20, 994915), (25, 795932), (50, 397966), (100, 198983), (193, 103100), (386, 51550), (772, 25775), (965, 20620), (1031, 19300), (1930, 10310), (2062, 9650), (3860, 5155), (4124, 4825)]