19777268

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{13327}}^1$

素因数の和:13391

約数の個数: 24

約数和(自身を含む): 40303872

約数和(自身を除く): 20526604

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 13327, 26654, 53308, 93289, 186578, 373156, 706331, 1412662, 2825324, 4944317, 9888634, 19777268]

約数ペア:

[(1, 19777268), (2, 9888634), (4, 4944317), (7, 2825324), (14, 1412662), (28, 706331), (53, 373156), (106, 186578), (212, 93289), (371, 53308), (742, 26654), (1484, 13327)]