18806272

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{1597}}^1$

素因数の和:1638

約数の個数: 40

約数和(自身を含む): 39234096

約数和(自身を除く): 20427824

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 512, 736, 1472, 1597, 2944, 3194, 5888, 6388, 11776, 12776, 25552, 36731, 51104, 73462, 102208, 146924, 204416, 293848, 408832, 587696, 817664, 1175392, 2350784, 4701568, 9403136, 18806272]

約数ペア:

[(1, 18806272), (2, 9403136), (4, 4701568), (8, 2350784), (16, 1175392), (23, 817664), (32, 587696), (46, 408832), (64, 293848), (92, 204416), (128, 146924), (184, 102208), (256, 73462), (368, 51104), (512, 36731), (736, 25552), (1472, 12776), (1597, 11776), (2944, 6388), (3194, 5888)]