19769648

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:485

約数の個数: 40

約数和(自身を含む): 40042080

約数和(自身を除く): 20272432

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 137, 232, 274, 311, 464, 548, 622, 1096, 1244, 2192, 2488, 3973, 4976, 7946, 9019, 15892, 18038, 31784, 36076, 42607, 63568, 72152, 85214, 144304, 170428, 340856, 681712, 1235603, 2471206, 4942412, 9884824, 19769648]

約数ペア:

[(1, 19769648), (2, 9884824), (4, 4942412), (8, 2471206), (16, 1235603), (29, 681712), (58, 340856), (116, 170428), (137, 144304), (232, 85214), (274, 72152), (311, 63568), (464, 42607), (548, 36076), (622, 31784), (1096, 18038), (1244, 15892), (2192, 9019), (2488, 7946), (3973, 4976)]