19662916

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7717}}^1$

素因数の和:7748

約数の個数: 36

約数和(自身を含む): 43112748

約数和(自身を除く): 23449832

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 7717, 15434, 30868, 54019, 100321, 108038, 200642, 216076, 378133, 401284, 702247, 756266, 1404494, 1512532, 2808988, 4915729, 9831458, 19662916]

約数ペア:

[(1, 19662916), (2, 9831458), (4, 4915729), (7, 2808988), (13, 1512532), (14, 1404494), (26, 756266), (28, 702247), (49, 401284), (52, 378133), (91, 216076), (98, 200642), (182, 108038), (196, 100321), (364, 54019), (637, 30868), (1274, 15434), (2548, 7717)]