19846568

素因数分解:

$2^3\times 7^2\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 43676820

約数和(自身を除く): 23830252

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 197, 257, 392, 394, 514, 788, 1028, 1379, 1576, 1799, 2056, 2758, 3598, 5516, 7196, 9653, 11032, 12593, 14392, 19306, 25186, 38612, 50372, 50629, 77224, 100744, 101258, 202516, 354403, 405032, 708806, 1417612, 2480821, 2835224, 4961642, 9923284, 19846568]

約数ペア:

[(1, 19846568), (2, 9923284), (4, 4961642), (7, 2835224), (8, 2480821), (14, 1417612), (28, 708806), (49, 405032), (56, 354403), (98, 202516), (196, 101258), (197, 100744), (257, 77224), (392, 50629), (394, 50372), (514, 38612), (788, 25186), (1028, 19306), (1379, 14392), (1576, 12593), (1799, 11032), (2056, 9653), (2758, 7196), (3598, 5516)]