19738376

素因数分解:

$2^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1171}}^1$

素因数の和:1234

約数の個数: 48

約数和(自身を含む): 44090640

約数和(自身を除く): 24352264

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 49, 56, 86, 98, 172, 196, 301, 344, 392, 602, 1171, 1204, 2107, 2342, 2408, 4214, 4684, 8197, 8428, 9368, 16394, 16856, 32788, 50353, 57379, 65576, 100706, 114758, 201412, 229516, 352471, 402824, 459032, 704942, 1409884, 2467297, 2819768, 4934594, 9869188, 19738376]

約数ペア:

[(1, 19738376), (2, 9869188), (4, 4934594), (7, 2819768), (8, 2467297), (14, 1409884), (28, 704942), (43, 459032), (49, 402824), (56, 352471), (86, 229516), (98, 201412), (172, 114758), (196, 100706), (301, 65576), (344, 57379), (392, 50353), (602, 32788), (1171, 16856), (1204, 16394), (2107, 9368), (2342, 8428), (2408, 8197), (4214, 4684)]