19953136

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2659}}^1$

素因数の和:2741

約数の個数: 40

約数和(自身を含む): 44858240

約数和(自身を除く): 24905104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 134, 268, 469, 536, 938, 1072, 1876, 2659, 3752, 5318, 7504, 10636, 18613, 21272, 37226, 42544, 74452, 148904, 178153, 297808, 356306, 712612, 1247071, 1425224, 2494142, 2850448, 4988284, 9976568, 19953136]

約数ペア:

[(1, 19953136), (2, 9976568), (4, 4988284), (7, 2850448), (8, 2494142), (14, 1425224), (16, 1247071), (28, 712612), (56, 356306), (67, 297808), (112, 178153), (134, 148904), (268, 74452), (469, 42544), (536, 37226), (938, 21272), (1072, 18613), (1876, 10636), (2659, 7504), (3752, 5318)]