19118456

素因数分解:

$2^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1733}}^1$

素因数の和:1943

約数の個数: 32

約数和(自身を含む): 41199840

約数和(自身を除く): 22081384

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 197, 394, 788, 1379, 1576, 1733, 2758, 3466, 5516, 6932, 11032, 12131, 13864, 24262, 48524, 97048, 341401, 682802, 1365604, 2389807, 2731208, 4779614, 9559228, 19118456]

約数ペア:

[(1, 19118456), (2, 9559228), (4, 4779614), (7, 2731208), (8, 2389807), (14, 1365604), (28, 682802), (56, 341401), (197, 97048), (394, 48524), (788, 24262), (1379, 13864), (1576, 12131), (1733, 11032), (2758, 6932), (3466, 5516)]