19315408

素因数分解:

$2^4\times 7^2\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:440

約数の個数: 60

約数和(自身を含む): 44273952

約数和(自身を除く): 24958544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 71, 98, 112, 142, 196, 284, 347, 392, 497, 568, 694, 784, 994, 1136, 1388, 1988, 2429, 2776, 3479, 3976, 4858, 5552, 6958, 7952, 9716, 13916, 17003, 19432, 24637, 27832, 34006, 38864, 49274, 55664, 68012, 98548, 136024, 172459, 197096, 272048, 344918, 394192, 689836, 1207213, 1379672, 2414426, 2759344, 4828852, 9657704, 19315408]

約数ペア:

[(1, 19315408), (2, 9657704), (4, 4828852), (7, 2759344), (8, 2414426), (14, 1379672), (16, 1207213), (28, 689836), (49, 394192), (56, 344918), (71, 272048), (98, 197096), (112, 172459), (142, 136024), (196, 98548), (284, 68012), (347, 55664), (392, 49274), (497, 38864), (568, 34006), (694, 27832), (784, 24637), (994, 19432), (1136, 17003), (1388, 13916), (1988, 9716), (2429, 7952), (2776, 6958), (3479, 5552), (3976, 4858)]