18860128

素因数分解:

$2^5\times 7^1\times {\mathrm{269}}^1\times {\mathrm{313}}^1$

素因数の和:599

約数の個数: 48

約数和(自身を含む): 42729120

約数和(自身を除く): 23868992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 269, 313, 538, 626, 1076, 1252, 1883, 2152, 2191, 2504, 3766, 4304, 4382, 5008, 7532, 8608, 8764, 10016, 15064, 17528, 30128, 35056, 60256, 70112, 84197, 168394, 336788, 589379, 673576, 1178758, 1347152, 2357516, 2694304, 4715032, 9430064, 18860128]

約数ペア:

[(1, 18860128), (2, 9430064), (4, 4715032), (7, 2694304), (8, 2357516), (14, 1347152), (16, 1178758), (28, 673576), (32, 589379), (56, 336788), (112, 168394), (224, 84197), (269, 70112), (313, 60256), (538, 35056), (626, 30128), (1076, 17528), (1252, 15064), (1883, 10016), (2152, 8764), (2191, 8608), (2504, 7532), (3766, 5008), (4304, 4382)]