19788544

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{4547}}^1$

素因数の和:4580

約数の個数: 36

約数和(自身を含む): 41832504

約数和(自身を除く): 22043960

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 544, 1088, 2176, 4352, 4547, 9094, 18188, 36376, 72752, 77299, 145504, 154598, 291008, 309196, 582016, 618392, 1164032, 1236784, 2473568, 4947136, 9894272, 19788544]

約数ペア:

[(1, 19788544), (2, 9894272), (4, 4947136), (8, 2473568), (16, 1236784), (17, 1164032), (32, 618392), (34, 582016), (64, 309196), (68, 291008), (128, 154598), (136, 145504), (256, 77299), (272, 72752), (544, 36376), (1088, 18188), (2176, 9094), (4352, 4547)]