19539712

素因数分解:

$2^8\times {\mathrm{127}}^1\times {\mathrm{601}}^1$

素因数の和:744

約数の個数: 36

約数和(自身を含む): 39375616

約数和(自身を除く): 19835904

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 508, 601, 1016, 1202, 2032, 2404, 4064, 4808, 8128, 9616, 16256, 19232, 32512, 38464, 76327, 76928, 152654, 153856, 305308, 610616, 1221232, 2442464, 4884928, 9769856, 19539712]

約数ペア:

[(1, 19539712), (2, 9769856), (4, 4884928), (8, 2442464), (16, 1221232), (32, 610616), (64, 305308), (127, 153856), (128, 152654), (254, 76928), (256, 76327), (508, 38464), (601, 32512), (1016, 19232), (1202, 16256), (2032, 9616), (2404, 8128), (4064, 4808)]