16919644

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 35642880

約数和(自身を除く): 18723236

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 67, 116, 134, 203, 268, 311, 406, 469, 622, 812, 938, 1244, 1876, 1943, 2177, 3886, 4354, 7772, 8708, 9019, 13601, 18038, 20837, 27202, 36076, 41674, 54404, 63133, 83348, 126266, 145859, 252532, 291718, 583436, 604273, 1208546, 2417092, 4229911, 8459822, 16919644]

約数ペア:

[(1, 16919644), (2, 8459822), (4, 4229911), (7, 2417092), (14, 1208546), (28, 604273), (29, 583436), (58, 291718), (67, 252532), (116, 145859), (134, 126266), (203, 83348), (268, 63133), (311, 54404), (406, 41674), (469, 36076), (622, 27202), (812, 20837), (938, 18038), (1244, 13601), (1876, 9019), (1943, 8708), (2177, 7772), (3886, 4354)]