19786349770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{255869}}^1$

素因数の和:255943

約数の個数: 64

約数和(自身を含む): 42003619200

約数和(自身を除く): 22217269430

約数列:

[1, 2, 5, 10, 11, 19, 22, 37, 38, 55, 74, 95, 110, 185, 190, 209, 370, 407, 418, 703, 814, 1045, 1406, 2035, 2090, 3515, 4070, 7030, 7733, 15466, 38665, 77330, 255869, 511738, 1279345, 2558690, 2814559, 4861511, 5629118, 9467153, 9723022, 14072795, 18934306, 24307555, 28145590, 47335765, 48615110, 53476621, 94671530, 104138683, 106953242, 179875907, 208277366, 267383105, 359751814, 520693415, 534766210, 899379535, 1041386830, 1798759070, 1978634977, 3957269954, 9893174885, 19786349770]

約数ペア:

[(1, 19786349770), (2, 9893174885), (5, 3957269954), (10, 1978634977), (11, 1798759070), (19, 1041386830), (22, 899379535), (37, 534766210), (38, 520693415), (55, 359751814), (74, 267383105), (95, 208277366), (110, 179875907), (185, 106953242), (190, 104138683), (209, 94671530), (370, 53476621), (407, 48615110), (418, 47335765), (703, 28145590), (814, 24307555), (1045, 18934306), (1406, 14072795), (2035, 9723022), (2090, 9467153), (3515, 5629118), (4070, 4861511), (7030, 2814559), (7733, 2558690), (15466, 1279345), (38665, 511738), (77330, 255869)]