19939630784

素因数分解:

$2^6\times {\mathrm{257}}^1\times {\mathrm{1212283}}^1$

素因数の和:1212552

約数の個数: 28

約数和(自身を含む): 39721697544

約数和(自身を除く): 19782066760

約数列:

[1, 2, 4, 8, 16, 32, 64, 257, 514, 1028, 2056, 4112, 8224, 16448, 1212283, 2424566, 4849132, 9698264, 19396528, 38793056, 77586112, 311556731, 623113462, 1246226924, 2492453848, 4984907696, 9969815392, 19939630784]

約数ペア:

[(1, 19939630784), (2, 9969815392), (4, 4984907696), (8, 2492453848), (16, 1246226924), (32, 623113462), (64, 311556731), (257, 77586112), (514, 38793056), (1028, 19396528), (2056, 9698264), (4112, 4849132), (8224, 2424566), (16448, 1212283)]