19165216

素因数分解:

$2^5\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1277}}^1$

素因数の和:1361

約数の個数: 48

約数和(自身を含む): 43799616

約数和(自身を除く): 24634400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 67, 112, 134, 224, 268, 469, 536, 938, 1072, 1277, 1876, 2144, 2554, 3752, 5108, 7504, 8939, 10216, 15008, 17878, 20432, 35756, 40864, 71512, 85559, 143024, 171118, 286048, 342236, 598913, 684472, 1197826, 1368944, 2395652, 2737888, 4791304, 9582608, 19165216]

約数ペア:

[(1, 19165216), (2, 9582608), (4, 4791304), (7, 2737888), (8, 2395652), (14, 1368944), (16, 1197826), (28, 684472), (32, 598913), (56, 342236), (67, 286048), (112, 171118), (134, 143024), (224, 85559), (268, 71512), (469, 40864), (536, 35756), (938, 20432), (1072, 17878), (1277, 15008), (1876, 10216), (2144, 8939), (2554, 7504), (3752, 5108)]