19829535

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2557}}^1$

素因数の和:2623

約数の個数: 32

約数和(自身を含む): 35361792

約数和(自身を除く): 15532257

約数列:

[1, 3, 5, 11, 15, 33, 47, 55, 141, 165, 235, 517, 705, 1551, 2557, 2585, 7671, 7755, 12785, 28127, 38355, 84381, 120179, 140635, 360537, 421905, 600895, 1321969, 1802685, 3965907, 6609845, 19829535]

約数ペア:

[(1, 19829535), (3, 6609845), (5, 3965907), (11, 1802685), (15, 1321969), (33, 600895), (47, 421905), (55, 360537), (141, 140635), (165, 120179), (235, 84381), (517, 38355), (705, 28127), (1551, 12785), (2557, 7755), (2585, 7671)]