1899504128

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{161303}}^1$

素因数の和:161344

約数の個数: 40

約数和(自身を含む): 3960335808

約数和(自身を除く): 2060831680

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 512, 736, 1472, 2944, 5888, 11776, 161303, 322606, 645212, 1290424, 2580848, 3709969, 5161696, 7419938, 10323392, 14839876, 20646784, 29679752, 41293568, 59359504, 82587136, 118719008, 237438016, 474876032, 949752064, 1899504128]

約数ペア:

[(1, 1899504128), (2, 949752064), (4, 474876032), (8, 237438016), (16, 118719008), (23, 82587136), (32, 59359504), (46, 41293568), (64, 29679752), (92, 20646784), (128, 14839876), (184, 10323392), (256, 7419938), (368, 5161696), (512, 3709969), (736, 2580848), (1472, 1290424), (2944, 645212), (5888, 322606), (11776, 161303)]